Professional hotel door lock manufacturer Features: 1) materials: stainless steel, brass 2) with unique designed handle 3) meets ansi standard, with 5 latch mortises 4) with inside dead bolt 5) using sle4442 ic card; 10, 000 times life 6) with override computer emergency key 7) personalized locking system 8) classified access authorization 9) system operation records printable 10) working temperature: -50 - 80c 11) power: 6pcs aa alkaline batteries 12) weight: 3.8kg/pc 13) dimensions: 350 x 240 x 170mm Main products: ic card lock, tm card lock, hotel door lock. Electronic locking systems and guestroom locks , hotel card lock(u.S type), ic card hotel door lock(u.S type), digital hotel in-room safe, digital hotel in-room safe, energy saving switch, sauna lock.