Description:
 * Miniature, compact and attractive design
 * Light weight
 * With back double adhesive for mounting purpose
 * Magnetic switch detects entry, protecting your home or office
    whether you are in or out
 * Great for any door or window, especially those hard to protect
    sliding glass doors.
 * The base of the alarm is connected to a door frame or window
    frame.
 * The actuator is connected to the actual door or window.
 * With 110dB alarm / chime sound
 * With Alarm / OFF / Chime switch
 * 3pcs button cell batteries includedded