wireless tuya wifi fire smoke alarm detector 90db 9V Battery Operated Photoelectric Sensor Smoke detector
Power supply | DC9V alkaline battery (6LR61) |
Static current | < 10uA |
Alarm current | <100mA |
Working temperature | 0℃~ +50 ℃ |
Humidity | ≤95%RH ,no freezing |
Alarm sound | >80 dB |
Low battery alert | ≤7.0 V ± 0.2 V |



