65 Key Capacity. Dimensions: 17"H x 13"W x 3-1/4"D. Cabinets have powder coat finish in neutral sand and include plastic numbered key tags, and security digital lock. The digital Kekab lock features 2 levels of access, instant re-programming, usage indicator, and automatic lockout. The lock is battery operated (2, 9-volt alkaline batteries), and require no wiring or central processors. A low battery indicator warns when batteries are low, and a special jumper port allows access of external power in the event of battery failure.