Door Lock Battery Pack, Fits Brand Alarm Lock/Trilogy, Voltage - Batteries 6V DC, Capacity - Batteries 1,200 mAh, Fits Model DL1200, DL1200ET, DL1300, DL1300ET, PDL1300, PDL1300ET, Battery Chemistry Lithium, Height 2.125 in, Width 1.5 in, Depth 0.625...