How to use:
1-Clockwise rotation the mounting bracket, take out and prepare to install battery
2-Input 2pcs AAA battery inside(No included) , the LED indicator ON and then OFF
3-Download " Smartlife/TuyaSmart" App, or Scan below QR code to download
4-Register a Tuya Smart App account with your mobile phone, and log in. Click "+" at "My Home" or the Mid-blank space to add device, choose Security Sensor, find Sensor (WiFi) and click.
5-Press the RESET for more than 5 Seconds with the PIN, the LED indicator flashes quickly, start network configuration automatically. Input the WiFi code to start connecting.
6-Press RESET for 5 seconds with PIN when configuration network, indicator flashes slowly, start manual network configuration mode. Input WiFi account and code to add device.
7-Configuration network successfully, click smoke detector, long press TEST, buzzer will have DI DI sound, App receive notification " Detecting smoke"; Release TEST, App will show "No Smoke Detected"
8-Mute function

Please make sure there is no real danger of fire when using mute function. Under known and non-fire alarm condition, please do not block or by any other form to prohibit alarming. Press the Test/Mute button to lower sensitivity and relieve alarm.

Test: To burn cotton produces smoke and face the smoke detector. When smoke detector have DiDi alarm, press TEST/MUTE to stop alarming. Please do not use flame to do the test.