Focus™ Wireless Smoke Detector – MD-2105R

Wireless Smoke Sensor

✓ built in buzzer

✓ Battery life time 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%