Wifi Fire Smoke, Detector Sensor- Alarm System For Home Security

Specifications:

Model Number: DZX-TSD02
Type: Smoke Detector
Type: Smoke Detector
Power supply: DC9V alkaline battery (no include)
Android IOS App: TUYA /Smart Life
Power supply?DC9V alkaline battery (no include 6LR61)
Static current?<10uA
Alarm current: <100mA
Working temperature?0? ? +50?
Humidity??95%RH?no freezing
Alarm sound?>80dB Low battery alert??7.0V±0.2V

Package list:

1,Smoke detector
1,Battery
2 Mounting bracket
2 Screw Kit

WARRANTY

We'll refund your money if the item hasn't been delivered within 40 days after purchase. You have 2 weeks to request a refund — until day 60.
Product doesn't match the description? Contact us within 30 days after you receive it!
In case of cancellation, money will be refunded to your account within 3 days.