ZD01 WiFi is a Wi-Fi wireless door/window transmitter which triggers the transmitter by separating the magnet for more than 20 mm from the transmitter, then the transmitter will send an alarm message and pushes it to APP. You can share the device with your family to check the door/window status together.

Working voltage: DC3V (2 x 1.5V battery)
Battery model:AAA（1.5V）
Quiescent current:≤9uA
Emission current:≤15mA
Wi-Fi:IEEE 802.11 b/g/n 2.4GHz
Operating systems:(Android 4.1 & iOS 9.0) or higher
Installation gap:<5mm
Wireless transmission distance:Max. 20m
Dimension:Transmitter：72x30x19mm; Magnet：46x14x15.5mm