View cart “Focus Alarm Door Sensor MD-210R 433/868mhz Window Door Detector Magnetic Contact Sensor” has been added to your cart.
Wireless Smoke Sensor
$50.00
Model:MD-2105R
- built-in buzzer
- Battery lifetime about one year
- Self-test indication: red LED turn on then voice prompt self-test successfully.
- Alarm output indication: red LED turn on 5 seconds then buzzer sound
- Battery low voltage indication
- Working frequency: 433MHz
- Working environment indoor use: -5 to +50℃; humidity 10%-90%
