Features 1、Compatible with all ID/IC access control devices or ID/IC readers. 2、It is used in access keys, elevator keys, etc. 3、Repeatable entry and change times up to 100,000 times. 4、It can keep copying information for up to 10 years without losing. 5、It is made of high quality ABS material, rust and wear resistant. Specification Condition: 100% Brand New Item Type: Door Entry Tag Color: Blue Material: ABS Card Reading Distance: 0.2-1cm/0.08-0.39in Quantity: 50pcs Anti-interference: Yes Repeated Entry and Change Times: 100,000 (Times) Working Temperature: -25 ° C -75 ° C Storage Temperature: -15 ° C -45 ° C Package List 50 ;Door Entry Tag Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.