Door Lock Battery Pack Fits Brand Alarm Lock/Trilogy Voltage - Batteries 6V DC Capacity - Batteries 1 500 mAh Fits Model Mfr No LL1 PG10 and 11A Battery Chemistry Alkaline Height 2.125 in Width 2 in Depth 2 in Number of Cells - Battery 4 Max Operating Temp 150 Degrees F Min Operating Temp 30 Degrees F Terminal Type - Batteries Wire Leads