Connected Doorbell and Video Door Phone -Access Control Key Fobs Generic Brand Highlights Access Control Key Fobs Description: Each comes with key ring included. Compatible with all RFID readers for access Each token is pre-programmed with a unique ID which is printed at the Water resistant. Material: ABS Scope of application: public transport, parking, identity identification, attendance system, ticketing, card payment, product logo, etc. Specification: Material: ABS Size: Approx. 120x65x23mm / 4.72x2.56x0.91inch Response frequency: 125KHz, Chip type: EM4100, EM4102 Operating temperature: -40C to 85C Waterproof Application scope: public transport, parking, identification of identity, attendance system, ticketing, card payment, product logo, etc. Package includes: 100 pieces keychains Note: Since the size above is measured by hand, the size of the actual item might be slightly different from the size above. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.