228WT operation video
WIFI Smoke Sensor
◆ APP name: Tuya Smart or Smart Life
◆ Built-in Battery: AAA1.5V*2
◆ Quiescent current: ≤10uA
◆ Alarm Current: ≤120mA
◆ Low-battery remind function
◆ Low power undervoltage: ≤2.4V
◆ WiFi: 802.11b/g/n, 2.4GHz
◆ Working temperature: -10℃~50℃
◆ Working Humidity: ≤95%
◆ Alarm Sound Level: 90dB/1m
◆ Detecting Range: 20㎡
◆ Installation Method: Ceiling Mounted
◆ Battery life: 6-8months
◆ RH Size: 90*90*40mm