Bell & Howell Sonic Alarm is an easy to use yet effective tool to prevent intruders from entering your house. A must for the security of your house and the safety of you loved ones.

Bell & Howell Sonic Alarm works well with all types of doors, windows and cabinets. Just peel the adhesives and install it on any door or window. Bell & Howell Sonic Alarm requires no tools for installation. Bell & Howell Sonic Alarm gives a loud Alarm when the door is opened. The settings can be changed for it to give a pleasent chime instead of the loud alarm. Bell & Howell Sonic Alarm can also be used as a door chime.