Extra deep combination fixture is ideal for high traffic areas. Hands free dispenser reduces paper flow, and provides maximum hygiene. Operates with 4 "D" size alkaline batteries or plug in AC adaptor. 4 alkaline batteries have be independently tested and found to provide 35,000 hand dries. Stainless steel (safety guarded) saw tooth cutting bar. Secured with two tumbler keyed locks. All doors are hinged with full length stainless steel piano hinges. Counterbalanced stainless steel door (20 gauge) provides maximum fire protection, mounted with full length piano hinge. Heavy duty 18 gauge stainless steel door (304, # 4 brushed finish). Corrosion resistant galvanized steel (20 gauge). Universal (non-proprietary) towel dispenser will accept jumbo roll towels max. 8" diameter (2-1/2" reserve roll). Large detection zone senses hand when placed in a natural position under dispenser to deliver a 6-9" length of towel. Towel delivery is quiet and uniform.