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HomE Security Magnetic Sensor Window Door Entry Alarm Warning System White at 52.00 HKD from Tmart
HomE Security Magnetic Sensor Window Door Entry Alarm Warning System White
HK$ 52.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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Mc 06-1 90dB Wireless Home Security Door Window Entry Alarm warning System Magnetic Sensor at 47.00 HKD from Tmart
Mc 06-1 90dB Wireless Home Security Door Window Entry Alarm warning System Magnetic Sensor
HK$ 47.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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 5 X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor at 72.00 HKD from EachBuyer
5 X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor
HK$ 72.00
EachBuyer
Super loud 90 dB alarm Convenience in installation--just peel and stick Super environmental suitability and stability Dustproof and insect prevention Easily mounted by adhesive. Type to window or door. Ideal entry warning for homes apartments mobile homes do rms offices hotel rooms garages and more! Magnetic sensor switch detects entry protecting your home or office whether you are in or out Warning door / window sticker is supplied free in package Sensor type: alarm Alarm type: sound Material: plastic Color: White Size: 6*3*2cm Operated by 3pcs of 1. 5V Lr44 / AG 13 button cell ( included ) 5 x Magnetic Sensor
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Magnet Magnetic Sensor Door Window Detector Security Home Alarm at 55.00 HKD from Tomtop
Magnet Magnetic Sensor Door Window Detector Security Home Alarm
HK$ 55.00
Tomtop
Features: *Low false trigger rate *Low-consumptiondesign,which makes it can work long time *Easily install with mounting pads *It has the function of alarm, constant alarm,closing-door hint, and doorbell *Excellentdesign,tinyandfashion
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 Lifesmart Smart Home Motion Sensor Infrared Motion Detector Switch at 123.00 HKD from Zapals
Lifesmart Smart Home Motion Sensor Infrared Motion Detector Switch
HK$ 123.00
Zapals
The LifeSmart™ Motion Sensor constantly keeps an eye out for any movement in your home or office.
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 5 * Wireless 433MHz Home Security Door Window Entry Alarm Warning System Magnetic Sensor Alarm at 71.00 HKD from Tomtop
5 * Wireless 433MHz Home Security Door Window Entry Alarm Warning System Magnetic Sensor Alarm
HK$ 71.00
Tomtop
Features: * High Sensitivity. * With dual function of emergency switch magnetic door. * Low consumption chip design. * Low voltage fault monitoring reports. * 1527 IC, oscillation resistance optional.
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 Remote Control Wireless Magnetic Sensor Door Window Entry Safety Burglar Alarm at 72.00 HKD from EachBuyer
Remote Control Wireless Magnetic Sensor Door Window Entry Safety Burglar Alarm
HK$ 72.00
EachBuyer
1. One Magnetic Sensor can match with at most 8 remote controllers freely. 2. One remote controller could control several magnetic sensors; 3. Excellent Home use product,Tiny and fashion; 4. Volume: 110Db; 5. Alarm and door bell function for your option; 6. Low energy and long work time; 7. Simple install; Specifications of Magnetic Sensor: Voltage: 3V AAA*2pcs Stand-by Volume: 100μA Alarm volume: 30mA Frequency: 433Mhz Alarm response time: 200ms Stand-by time: 8-12 months Specifications of Remote control Voltage: 12 12V27A*1pcs Stand-by Volume: 1μA Working volume: 15Ma Stand-by time: 8-24onths Remote control distance: 20m Notes: Please make sure the arrow of the magnetic align the Magnetic Stick magnetic stick stripe on the right side of the magnetic sensor when the door is closed the distance between magnetic sensor and magnetic stick should less than10 mm. Only use in indoor banned in outdoor use. Working environment temperature: -10 ~ 60 ° C Working environment humidity: < 80% Storage temperature: -20 ° C - + 70 ° C
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 FK-9806A2 Home Magnetic Sensor Door Window Alarm with 2pcs Remote Controllers Black at 101.00 HKD from Tmart
FK-9806A2 Home Magnetic Sensor Door Window Alarm with 2pcs Remote Controllers Black
HK$ 101.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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 Wireless Remote Control Home Security Entry Alarm Warning System with Magnetic Sensor for Door Window White at 148.00 HKD from Tmart
Wireless Remote Control Home Security Entry Alarm Warning System with Magnetic Sensor for Door Window White
HK$ 148.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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 1pcs High Quality Wireless Door Window Entry Burglar Safety Security Guardian Protector Magnetic Sensor at 41.00 HKD from Tomtop
1pcs High Quality Wireless Door Window Entry Burglar Safety Security Guardian Protector Magnetic Sensor
HK$ 41.00
Tomtop
Features: * High Sensitivity. * With dual function of emergency switch magnetic door. * Low consumption chip design. * Low voltage fault monitoring reports. * 1527 IC, oscillation resistance
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DIY Cardboard Magnetic Sensor Virtual Reality VR Glasses with Head Strap for 4-6 Smartphone Khaki at 39.00 HKD from Tmart
DIY Cardboard Magnetic Sensor Virtual Reality VR Glasses with Head Strap for 4-6 Smartphone Khaki
HK$ 39.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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Smart Wireless Door Window Magnetic Sensor Alarm DS01 with Remote Control for Home Workshop Office Store Security at 71.00 HKD from Mini In The Box
-39%
Smart Wireless Door Window Magnetic Sensor Alarm DS01 with Remote Control for Home Workshop Office Store Security
HK$ 71.00 HK$ 117.00
Mini In The Box
Power Supply (V):1.5; Quiescent Current (uA):20; Transmitting Current (mA):50; Transmission Frequency:868MHz; Mmagnetron Distance (mm):100; Coding Type:Learning Code
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 FK-9806AB 2 Wireless Remote Control Home Alarm Warning Magnetic Sensor for Door Window Black at 129.00 HKD from Tmart
FK-9806AB 2 Wireless Remote Control Home Alarm Warning Magnetic Sensor for Door Window Black
HK$ 129.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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 Wireless Vibration Magnetic Sensor Remote Home House Door Window Detector Security Alarm at 102.00 HKD from Tomtop
Wireless Vibration Magnetic Sensor Remote Home House Door Window Detector Security Alarm
HK$ 102.00
Tomtop
Features: *Alarmanddoorbellfunctionforyouroption *Low-consumptiondesign,which makes it can work long time *Installation with double-side adhesive,easier to install *Remote control operation makes it easy to operate *Excellentdesign,tinyandfashion *Wireless magnetic and vibration mode, it will alarm when the sensor detects someone come in or there are some vibration of the door or window *Built-in 105dB loud alarm, can effectively frighten the thieves *It has the function of arm,disarm,emergency alarm and doorbell
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 433MHz Wireless Door Magnetic Sensor Home Burglar Security Alarm System at 200.00 HKD from Mini In The Box
-42%
433MHz Wireless Door Magnetic Sensor Home Burglar Security Alarm System
HK$ 200.00 HK$ 351.00
Mini In The Box
Receiving Frequency:433MHz; Alarm/Disalarm Type:Wireless Keyboard; Power Supply (V):12; Quiescent Current (uA):0.25; Transmitting Current (mA):0.1; Battery Life (Year):0.8; Transmission Frequency:433MHz; Unobstructed Effective Range (m):150; Mmagnetron Distance (mm):15; Coding Type:Learning Code; Operating Temperature (°C):-10℃-40℃; Operating Humidity (Rh):25%-80%
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HomE Home Security Welcome Door Bell Motion Sensor Wireless Alarm at 56.00 HKD from EachBuyer
HomE Home Security Welcome Door Bell Motion Sensor Wireless Alarm
HK$ 56.00
EachBuyer
This product adopts advanced manufacturing technology. It has body sensing high performance energy-saving functions Monitoring human movement with in certain scope Suitable for office home shop factory and other places You can stick the door bell anywhere you want with the double-sided adhesive sticker Fasten the door bell on the wall wood board aluminum board etc.by using the screws Color: White 100% Brand New Volume is adjustable. Alarm Sound: 75-95 decibels 16 kinds of melody music Battery: 3 AAA / 1.5V batteries (batteries are not included) Effective Alarming Detecting Distance: Approx. 2-8 meters DC 9V (can connect with a DC adapter wall charger directly charger not include) Power Switch: 10 seconds delay Effective Angle: Left and right: 110 degree Up and down: 45 degree 1 x Doorbell 1 x Accessories bag 1 x Double sides adhesive tape In blister package
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 Welcome Chime Door Bell Motion Sensor Wireless Alarm at 44.00 HKD from EachBuyer
Welcome Chime Door Bell Motion Sensor Wireless Alarm
HK$ 44.00
EachBuyer
Brand new and high quality Anti-interference high sensitivity Great for being used at home office shop or any places need to welcome the guests or the customers Door chime trigger by motion Light control distance: 3-7 meters Powered by 3 1.5V AA batteries (not included) 3 modes: I - Music OFF - Turn off II - Welcome With a hanging bracket (adjustable angle) 1 x Doorbell 1 x Bracket
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 Wireless Security Entry Burglar Alarm System Magnetic Sensor Door Window Home at 62.00 HKD from Banggood
Wireless Security Entry Burglar Alarm System Magnetic Sensor Door Window Home
HK$ 62.00
Banggood
Description: Wireless Security Entry Burglar Alarm System Magnetic Sensor Door Window Home Features: 1. 100% brand new snd high quality. 2. One Magnetic Sensor can match with at most 8 remote controllers freely. 3. One remote controller could control several magnetic sensors; 4. Excellent Home use product, Tiny and fashion; 5. Volume: 110Db; 6. Alarm and door bell function for your option; 7. Low energy and long work time; 8. Simple install. Specification: 1. Voltage: 3V AAA x 2pcs(not included) 2. Stand-by Volume: 100μA 3. Alarm volume: 30mA 4. Frequency: 433Mhz 5. Alarm response time: 200ms 6. Stand-by time: 8-12 months 7. Specifications of Remote control 8. Voltage: 12 12V27A x 1pcs 9. Stand-by Volume: 1μA 10. Working volume: 15Ma 11. Stand-by time: 8-24onths 12. Remote control distance: 20m Notes: Please make sure the arrow of the magnetic align the Magnetic Stick, magnetic stick stripe on the right side of the magnetic sensor, when the door is closed, the distance between magnetic sensor and magnetic stick should less than10 mm. Only use in indoor, banned in outdoor use. Working environment temperature: -10 - 60 ° C Working environment humidity: < 80% Storage temperature: -20 ° C - + 70 ° C Low pressure detection: 1. When the battery is low, the LED of magnetic door will flashing once per second, prompt low, please replace the battery. 2. Remote control lights flashing dimmed or remote distance becomes shorter, please replace the battery. Package includes: 1 x Magnetic Sensor (batteries not included) 1 x Magnetic Stick 1 x Remote control 1 x User manual Color Black / White optional~ Details pictures:
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 10Pcs DC 5V KY-003 Hall Magnetic Sensor Module For Arduino at 79.00 HKD from Banggood
10Pcs DC 5V KY-003 Hall Magnetic Sensor Module For Arduino
HK$ 79.00
Banggood
10Pcs DC 5V Ky-003 Hall Magnetic Sensor Module For Arduino Description: Brand: Keyes Model: Ky-003 Magnetic, speed, gap induction Suitable for Arduino DIY project Working voltage: DC 5V Material: PCB Feature: Small size and high sensitivity. Fast response temperature and good performance. Precision and high reliability 3144 Series Hall principle of Hall effect switch IC, using technology to produce magnetic semiconductor integrated circuit, which is determined by the voltage regulator, Hall voltage generator, differential amplifier, Schmidt trigger, temperature compensation circuit and the collector electrode open circuit output stage consisting of magnetic sensing circuit, the input for the magnetic flux density, the output is a digital voltage signal. This section circuit pipe legs with pure tin production, the complete model is 3144Eua-S or 3144Lua-S. Typical application: Non-contact switch Car ignition Brake circuit Position, speed detection and control Security alarm device Textile control system Package included: 10 x Hall magnetic sensor module
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DIY Cardboard Magnetic Sensor Virtual Reality VR Glasses for 4-6 Smartphone Khaki at 47.00 HKD from Tmart
DIY Cardboard Magnetic Sensor Virtual Reality VR Glasses for 4-6 Smartphone Khaki
HK$ 47.00
Tmart
Tmart.com store provides cool gadgets, cell phones, consumer electronics, LED flashlight, car accessories, phones accessories, computer accessories, games accessories, holiday gifts and security camera.
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 Hall Effect Magnetic Sensor Module DC 5V For (For Arduino) at 16.00 HKD from Mini In The Box
-33%
Hall Effect Magnetic Sensor Module DC 5V For (For Arduino)
HK$ 16.00 HK$ 24.00
Mini In The Box
Model:KY-003; Type:Sensor; Use For:For Arduino; Sensor Function:Magneto
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Sensors Hong Kong

To suit your home, most Sensors are manufactured with either White, Black and Beige. Now even more saving to get good Sensors with discounts up to 42% on iprice! Security Magnetic Sensor Window Door Entry Alarm Warning System White, 06-1 90dB Wireless Home Security Door Window Entry Alarm warning System Magnetic Sensor and 5 X WIRELESS Home Window Door Burglar Security ALARM System Magnetic Sensor are the best choice for Sensors because of its popularity and functionality. A popular choice amongst many, DIY, HomE and Magnet produce some of the best Sensors available online. With only HK$ 16.00 - HK$ 200.00, you can get good Sensors today! Depending on your preferences and budget, you can choose between Door, Security Cameras and Sensors.


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