VFV1030 Features: * Shock alarm * Compact vibration alarm for window protection * Powerful 120+ dB siren sounds when window is vibrated in forced entry * Easy installation * Self-adhesive pad supplied * Push button for low-battery testing * For indoor use only * Concealed on/off switch and high/low sensitivity selection Includes: * Includes LR44 batteries Dimensions: * Overall dimensions: 6.9" H x 5.15" W x 1" D Warranty: * Manufacturer provides 1 year warranty