Item # HP-GLASS
The GLASS BREAKAGE ALARM is an effective low cost
vibration alarm that can be used for securing windows or doors. The
glass alarm can also be used as a personal property alarm to protect
computers, TVs, stereo’s, cabinets, etc.
Includes one 12V battery and strong adhesive tape. Turn the switch on
the side to the ON position. When the glass is hit, knocked or broke by
anyone, the siren will sound for
approximately 30 seconds and then shut off and reset.