hotel handle door locks

hotel handle door locks Descriptions 1.Material Structure.Alloy steel,durable with a longer service life. 2.Handle Structure.free handle and double springs. 3.Concealed Cylinder Lid.Strong, Perfect in shape and easy to operate. 4.Surface Processing.PVD NM Technology, antiseptic,international standard. 5.Double Lock.Convenient and fashionable. 6.Reliable Performance.original electronic fittings. 7.LC Handset.Compatible T5557and M1 card,check lock info. 8.American standard.Five-latch cylinder,simple and durable. 9.Anti-inserted structure.Independent dynamo clutch design,sturdy and durable. 10.High-Quality Feel,Mechanical cylinder, Mifarel and T5557Card Module. Parameters 1.Operating voltage.Direct current 6v(Four AA batteries) 2.Static Consumption(pd).15 microampere 3.Battery Life.Normal and continuous open for about 15000 times or a year. 4.Undervoltage Instructions. operating voltage <(=)4.8v, red light on . 5.Fail open.Lock will be free from control and open as well even bolt is counter lock. 6.Reliability. The storage of EEPROM can be less than 1000 pieces of latest starting records, 7.Assembly Dimension.Door should be 38 60mm.