Citi

Real glass break sounds
Perimeter loops for occupied or unoccupied buildings
All rooms including those with blinds and drapes
Recommended size of glass: 1 by 2ft or larger; Minimum 1by1 foot

Glass Thickness as follows:

Plate Glass: 3/32" to 1/4" 
Tempered Glass: 1/8" to 1/4" 
Wired Glass: 1/4" 
Laminated Glass: 1/8" to 1/4"