This product does not have a battery, you need to bring your own battery. Battery type: 6F22 9V battery

Mute: In the alarm state, press the "test" button to mute the buzzer, only the LED indicator flashes.

Test: In the normal state, long press the "Test" button for 2s to trigger an audible and visual alarm, and the alarm information is sent to the mobile APP.

When using the detector for the first time, please install the tuya Smart app on your smartphone.

Make sure your smartphone is connected to WiFi.

WiFi network status: After charging the battery, the LED indicator lights up for 10 seconds, indicating that the detector has successfully connected to WiFi.

Features:

• Product name: Smoke alarm
• Power supply: DC9V alkaline battery (not including 6LR61)
• Quiescent current: <10uA
• Alarm current: <100mA
• Working temperature: 0��~+50��
• Humidity: �Q95%RH, no freezing
• Alarm sound:> 80dB
• Low battery alarm: �Q7.0V±0.2V
• Product size: 9.0 cm * 9.0 cm * 4.0 cm
• Product weight: 0.17kg
• Package includes: 1 * detector (without battery), 1 * description