Name：Glass break detectors
Model：HC-456 

Product Description：

PA-456 glass break detectors can distinguish week referral to the special sound of breaking glass, it´s the microphone receives
Audio signals through digital filtering and analysis (segment frequency filter, shock and vibration waveform analysis) and compare
Memory database to determine whether an alarm signal.
Digital processor 12/8 bits 8mhz
Continuously adjustable sensitivity
Scope of protection Maximum sensitivity: 9 m distance
Operating temperature -20 ℃ to 50 ℃
Power Input 9-16vdc, 17ma
Ceiling or wall installation location, proximity or face glazing
Anti-electromagnetic interference and radio
The size of the glass windows of any size
Alarm Indication red led light for 3 seconds
Green led light led light indication: red led light detection: Alarm
Test Methods pa-459 tester or percussion glass
Alarm output normally closed, 28vdc 0.15a
Tamper switch normally closed, open the cover is removed, 0.15a, 28vdc
Operating humidity 95%