Product DetailsDoor Alarm -Piercing alarm sounds when secured windows or doors are opened -Immediate or delayed alarm when doors are opened Activate and deactivate with practical switch key, -Includes instructions and mounting materials -Alarm volume: approx. 120db, -Dimensions: 55 x 83 x 27mm Glass Break Detector -Detects glass breaking or similar shock to the window pane -Deters intruders and warns you with a loud alarm signal -2 sensitivity settings -With battery status and standby indicator -Includes instructions, mounting materials and “Alarmed” sticker -Alarm volume: approx. 120db, Dimensions: 72 x 74 x 19mm