Features: Protects anything that opens and closes, such as doors, windows, jewelry cases, and gun cabinets. Installs on anything that opens or closes Built-in terminal strip for connecting hardwire contacts 2 Internal reed switches allow for vertical or horizontal mounting 3.5 VDC AA lithium battery (permanent ) 8-10 year battery life
Specifications: Magnet included Color: White or brown Dimensions: 1.56" wide, 3.25" high, .88" deep Batteries: 3.5 VCD AA lithium (permanent) Battery life: 15-20 years (10-year warranty on battery) Compatibility: all ITI Learn Mode systems