Door Lock Battery Pack, Fits Brand Alarm Lock/Trilogy, Voltage - Batteries 7V DC, Capacity - Batteries 2,200 mAh, Fits Model DL2700CR, DL2700DB, DL3500CR, DL3500DB, DL4500DB, PDL3500CR, PDL3500DB, Battery Chemistry Alkaline, Height 2.625 in, Width 2 in, Depth 0.5 in, Number of Cells - Battery 5, Max. Operating Temp. 150 Degrees F, Min. Operating Temp. 30 Degrees F, Terminal Type - Batteries Wire Leads