Door Lock Battery Pack, Fits Brand Saflok, Voltage - Batteries 6V DC, Capacity - Batteries 2,900 mAh, Battery Cross-Reference HTL-6, S90040, Select 6, Fits Model 6800-12-1, S90040, Select 6, Battery Chemistry Alkaline, Height 2 in, Width 3.29 in, Depth 0.5 in, Number of Cells - Battery 4, Max. Operating Temp. 130 Degrees F, Min. Operating Temp. 0 Degrees F, Terminal Type - Batteries Wire Leads, Standards ANSI, CE, ISO9001, RoHS