Electromagnetic Lock, Mortise, Opening Action Electromagnetic, Brass, Stainless Steel, Steel, Input Voltage 1.5V DC, Features Battery Powered, Deadbolt Sensing, Mechanical Override, Multiple Location Networking, Programmable Access, Storage of Historical Events, Lock Body Length (In.) 10 1/2 in, Lock Body Width (In.) 7 1/4 in, Lock Body Depth (In.) 6 3/4 in, Mfr. Series 45HBV, Instantaneous Release Delay, Satin Chrome Finish