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- glass breakage detector burglary Safety First Alert Alarm

times I have risen more than three years these detectors to the manufacturer's safety first, and each frame (Modern Thermopenfenster aluminum frames) glued. Two pieces per box, one on each wing wanted.

now but bad boys into the house and lo and behold, the detectors did what they should, it was already triggered alarm in the mix the crowbar. Since a detector is so loud and so As for going through the vibrations of all other detectors in the room with!

That was a hell of a noise and made us wake up from sleep! The burglars fled
and we only had a little damage to the aluminum frame.

These detectors are really worth their money, they are simply glued to the frame or the glass and is ready! I can only write, never again!

Description:
glass breaks and similar vibrations are registered by the device and trigger a loud (110 db SPL source) alarm. The device allows discs to 5 square meters. A flashing red LED has an additional deterrent. The device has an on / off switch. Alarm Duration: 1 min. And then it turns sharp again.

All advantages at a glance

• glass breaks or similar shocks (including shocks) to solve a loud alarm with a sound pressure of 110 dB from
• very simple operation. On / Off and the sensitivity of high / normal
  
• easy application by the enclosed self-adhesive film
• a glass breakage alarm protected discs to five square meters in size
• with battery state control (LED) must be pressed, however.
  
• battery: 2 x 1.5V (AAA)
  
• Dimensions: approx 78 mm diameter
• , about 22 mm

All disadvantages Overview

• falls down in the kitchen as a baking tray or a pot falls to the ground an alarm is triggered.
• battery is empty after about one year.