expert4house WSD400B WiFi Temperature Humidity Sensor User Manual
expert4house WSD400B WiFi Temperature Humidity Sensor Product parameter 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:…