door alarm sensor

Magnetic Switch Sensor Door Contact for security system.

Mobile,Camera or Laptop Security display holder with key controlled alarm function

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The product adopts high sensitivity detector,integrated circuit and SMT technology.

Features:
1) Energy saving and easy to use
2) Operated by AA batteries
3) Detecting range: 5-8m, 110 degrees
4) Special sound device, strong i

MC-38 Wired Door Window Sensor Magnetic Switch Home Alarm System,Arduino Sensor

dual cpu,no display screen
4 sensors are avaliable 0.3-1.5m alarm
personal requirs oem supported
fast delivery and avaliable warranty
humen voice

Wireless Home Security Burglar PSTN Alarm System

Gas detector
1. Intelligent gas detector
2. ROHS gas detector
3. Three LED indicator
4. Test/Hush gas detector

1.Alarm with mini Rainbow LED display
2.Embeded "bi..bi.." buzzer and Left/Right tri-color lamp
2.2~8 pieces different color sensors is available

Alarm, sensors, anti-theft alarm. Smoke alarm

5A-503
* Wired cable or Radio Frequency interconnected group detectors.
* MCU processing, eliminate false alarm.
* Adopted CMOS, with low power con

The product adopts high sensitivity detector,integrated circuit and SMT technology.

protect the camera from theft in a open showcase dispaly
encourage the customers to interact with the merchandise displayed
lower average cost

dual cpu parking sensor system
8 sensors are avaliable
high quality and best service
fast delivery and avaliable warranty
bibibibi buzzer alarm

Car Rear 4 Parking Sensor ,simple parking sensor with buzzer alarm , fit for all passenger cars,Voice reminder,popular model in the market

Carbon Monoxide CO Detector Alarm with Electrochemical Sensor & Battery & Digital Display

 
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200vdc W

1. 3*AA 1.5V Battery operated and battery included
2. Japanese NEMOTO electrochemical co sensor
3. Test and Hush button
4. End of life warning

Gas Detected: Natural Gas/LPG/Coal Gas
Sensor:Japanese electrochemistry sensor
Agent query function
Alarm reco

Gas detected: Natural Gas/LPG/Coal Gas
Sensor:Japanese electrochemistry sensor
Agent query function

Alarm, sensors, anti-theft alarm. Smoke alarm

2016 Magnetic mini gsm alarm system Automatic door open close sensor device
 

PaymentType:FOB/CNF/CIF;

 
DC 12V House Burglar Wireless Alarm Sensors , Door Window Magnetic Sensor</sp

Gas detected: Carbon monoxide
Sensor: Electrochemical sensor(Japanese)

5A-MP4
1-, Low consumption, heating current within 80mA.
2-, small size, high sensitivity especial for CH4.
3-, Long life, high stability.
4-, Sim

The product adopts high sensitivity detector,integrated circuit and SMT technology.

Material: Alloy+ABS Function: Alarm And Charging
Color: Silver, Golden Use: Anti-theft Display Devices For Digital
Size: Diameter:45mm, Height 80mm