• Door / Window Entry Alarm-Set(2 PCS).

Features:

• Easily Mounted By Abusive Taps To Window Or Door Magnetic Sensor Switch Detects Entry Protecting Your Home Or Office Whether You Are In Or Out.
• Warning Door/Window Sticker Is Supplied Free In Package. Operated By 3Pcs 1.5Vlrss Buttoncell (Battery Included In Package).

Opreating Instruction:

• Use The Doublewide Adhesive Tape To Ix The Main Unit At The Side Of The Door/Window.Attach The Bar Magnet To Door Frame/Window Frame With The Arrow Aligning With The Reference Line Of The Main Unit.
• Test The Setup By Switching The System'S Switch To &Quot;&Quot;On&Quot;&Quot; Position Of The Main Unit And See Whether The Alarm Can Be Triggered By Opening The Door/Window.