Perceive indoor environment temperature and humidity, LCD screen dynamically displays real-time values, creating a comfortable home living environment.
USB Input: DC5V/2A
Input Voltage: DC3V LR03*2 (Note: USB power and dry battery can not be used in the same time)
Quiescent Current: 75uA
Alarm Current: 60mA
Wireless Protocol: Wi-Fi (Zigbee is optional)
Working Temperature: -10℃ - 60℃
Dimension: ø61*27mm
Alarm Sound Pressure: 55dB
1 x WSD400B Temperature&Humidity Sensor
1 x User Manual
Temperature scale switch: switch between ℃ and ℉ according to different countries;
The upper and lower temperature limits can be set from -39.9℃- 80℃;
The upper and lower limits of humidity can be set from 0-100%RH;
The alarm switch is used to turn off or turn on the alarm sound.