WiFi Smoke & Temperature Alarm Detector

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 
7. Working voltage: DC 5V 
8. Battery: lithium battery  
9. Static current: about 20mA 
10. Alarm current: about 350mA  
11. Alarm sound: >80dB 
12. Operating temperature: -0 Celsius Degrees to +50 Celsius Degrees 
13. Humidity range: < 95%RH (no freezing) 
14. Low voltage alert: about 3.9V 
15. Product size: 10.5x4.8cm 
16. Material: ABS