1. Wireless installation, wireless transmitter, DIY project
2. High quality PVC material for the plastic covers
3. High sensitive chips inside and strong anti-interfere
4. Battery supply power
5. LED indicator for Low voltage
Specification:
1. Power: 12V battery
2. Working frequency: 315MHz/433MHz
3. Gap for triggered, >15 -20mm
4. Stand-by current: 0.01W
5. Alarm current: 0.09W
6. Working temperature: -10 ~ 50 ℃
7. Relative humidity: ≤ 95%
8. Size: 80x50x 16mm
9. N.W.: 45g"
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