Motorala Focus Tag Twin Set Pack for Focus 86 Camera Freepost

Functions as movement sensor on windows and doors.

Features
    Wireless Low Power 2.4GHz Communication
    Long Range Connectivity.(upto 50 meters indoor range)
    Functions as movement sensor on Windows and Doors
    Functions as Identification sensor to signal presence and absence.
    Alert push to smart phone.
    Battery Operate: CR2032