Reading Distance: 50-100mm Operating temperature : -40 to 55 Storage temperature: -40 to 55 Material : ABS Chip EM4100 4102 EM4469 EM4550 S50 S70 ULtralight T5567 T5577 TK4100 A pplication: Door Access Control, Burglar Prevention, Patrol Management, Personal Identification, Car Park Control, Member Club Management, etc.