High Sensitive Wired Glass Break Sensor Glass Breakage Vibrator Wired Glass Break Shock Detector Home Alarm System SecurityNote: This wired glass break detector needs to work with alarm system.
Features:
*8/12 bit microprocessor-controlled digital signal processing (8MHz).
*Used to identify glass break or crash sound from other sounds by frequency.
*It will not be fooled by the sound of pets, lightning, or any other sounds outside of its frequency range.
*It will send signal to the Alarm System Main Unit when detects glass break sound.
*Adjustable sensitivity: covers up to 9m (30ft) when set to high place and up to 4.5m (15ft) when set to low place.
*7 frequency digital filters, digital amplifier gain and frequency fluctuation assessment.
*It covers a large area of windows. Install to ceiling or wall close to window. 
*High-immunity to RFI and EMI signals
Specifications:
Digital Processor: 8/12 bits 8MHz
Power Supply: DC 9-16V, 17mA
Alarm Output: DC28V 0.15A, Normally closed
Tamper Switch: DC28V 0.15A, Normally closed, cover removed open circuit
Protection Range: Maximum sensitivity: 9 meters distance
Sensitivity: Continuously adjustable 
Glass Window Size: glass of any size 
Detecting: Green LED on
Alarming: Red LED on for 3s
Material: ABS plastic 
Operating temperature: -20 ° C to 50 ° C
Operating humidity: 95%
Item Size: Approx. 9 * 6.8 * 2.5cm(L*W*H)
Item Weight: Approx. 45g / 1.6oz
Package Information:
Package Size: Approach. 9.5 * 7 * 3.3cm / 3.7 * 2.8 * 1.3in 
Package Weight: Approach. 54g / 1.9oz   
Package List:
1 * Wired Glass Sensor(no cable)