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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%
