Tuya WiFi Smoke Detector 90dB Sound Alarm App Push Notifications Sensor For Home Industrial Hotel Security

Power supply：DC 3V（Without Battery）

Standby current：<20uA

Alarm Current:<100mA

Low voltage：2.5V+0.1V

Alarm volume：>90dB（3mahead）

Installation hole distance：60mm

Working temperature：-10℃~+50℃

Working humidity：≤95%