Wireless Temperature Sensor And Smoke Sensor

Smart Wireless WIFI+APP Fire Smoke & Temperature Sensor Wireless Smoke Temperature Detector Home Security Alarm System Product features: Independent live buzzer alarm 1、High sensitivity smoke detection. 2、Built-in thermistor sensor, high temperature alarm function. 3、Smart WIFI remotely push alarm information. 4、Smart APP control. 5、With manually test, manually mute. 6、Sound and light alarm. Technical Parameters: 1. Working voltage: DC 5V 2. Battery:10 year lithium battery 3. Static current ≤20mA 4. Alarm current: ≤350mA 5. Alarm sound:>80db 6. Operating temperature:-0°C ~+50°C 7. Humidity range: < 95%RH (no freezing) 8. Low voltage alert:3.9V±0.3V Origin: CN(Origin) Certification: CE Model Number: FD438W Working voltage: DC 5V Battery: 10 year lithium battery (not included) Static current: ≤20mA Alarm current: ≤350mA Alarm sound: >80db