【Protect Your Family】This touch sensor can protect key access points and trigger the alarm when the door/window is opened. The super loud 120 dB ringtone deters thieves and is safer to use. 【Wide Range of Applications】This door and window sensor can monitor your home 24 hours a day. Use it on doors, windows, cabinets, drawers, or anywhere you want to be notified when something is opened or closed. 【Doorbell/Alarm】Simple operation, easy one-button control of the doorbell/alarm switch, dual mode selectable. 【Indispensable Security Elements】When this alarm is installed in your home, office, or factory, you will be warned to check security when doors and windows are opened by children or thieves. When staying in hotels, you can install this anti-theft alarm on doors and windows. It will protect you when you go out. Take it with you for next time use. 【Easy to Use】The window burglar alarm requires no special wiring. Simply clip it onto the interior door handle, open the switch, and the