Door Lock Battery Pack, Fits Brand Alarm Lock/Trilogy, Voltage - Batteries 6V DC, Capacity - Batteries 5,000 mAh, Fits Model DL6100, DL6500, ETDLN, ETPDN, PDL6100, PDL6500, Battery Chemistry Alkaline, Height 2.5 in, Width 4.125 in, Depth 1.625 in, Number of Cells - Battery 4, Max. Operating Temp. 150 Degrees F, Min. Operating Temp. 30 Degrees F, Terminal Type - Batteries Wire Leads