Wireless Door/Window Gap Sensor Detector with Battery for GSM Alarm System Home Security WiFi GSM Burglar Alarm

Wireless Door Sensor: Compact, light, attractively designed, Tamper protection,With emergency button, Wireless transmission, Low power indication, Long battery life, Led indicator, Integral RF antenna(with built-in antenna), and Easy to operate & use.

Features:
- Compact, light, attractively designed with emergency button
- Low power indication: Led fast flash
- Wireless transmission, Led indicator
- Case and back tamper detection
- Integral RF antenna(with built-in antenna)
- With reliable performance and no false alarm.
-  Long battery life: up to 2 years
- ABS Housing In White
- Easy to operate & use

Specifications:

•  
• Power supply: DC12V, 1.5V Alkaline battery
• alarm output: wireless output
• Working frequency: 315MHz/433MHz 
• Gap for triggered, >15-20mm 
• Stand-by current: <10µA ; Alarm current: ≤15mA 
• ABS Housing In White
• Working temperature:-10 ~ 50 ºC ; Relative humidity: ≤ 95%  
• Packing Size: 75x65x20mm; N.W.: 0.1kg; 
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