• Keep linkage with SONOFF smart devices to create various smart scene

• Turn on/off your light with an action

• Notify you when the door/window is opened

• Check the opening and closing status of door/window on APP

• Battery-level display and low-battery reminder

• Allow sharing the sensor with your family to monitor and control of your home

• No gateway required

• Bluetooth-compatible low energy pairing

• Support to check history record on APP

• Low-power Wi-Fi transmission for more lasting work time

• Peel and stick installation, quick to use

Specification:

• Battery Model: AAA 1.5V

• Working Voltage: DC3V (2 x 1.5V battery)

• Quiescent current: ≤ 40 μA

• Wi-Fi: IEEE 802.11 b 2.4GHZ

• Material: PC V0