WiFi Temperature Humidity Sensor WSD400B

The detailed information

The temperature can be freely switched between Celsius and Fahrenheit; Low and high temperature reminder, intelligent linkage, and the reporting time of temperature and humidity can be set freely
USB input: DC5V/2A (USB power and dry batteries can not be used in the same time)
Input voltage: DC3V LR03*2
Quiescent current: ≤75uA
Alarm current: ≤60mA
Low voltage and undervoltage: ≤2.2V
WiFi: 802.11b/g/n
Detection temperature: -10℃-55℃
Detection humidity: 0-99%RH A
larm sound pressure: 55dB
Installation method: wall-mounted