Description:   10 Rfid Tag+RFID Proximity Card Access Control System RFID\/EM Keypad Card Access Control Door Opener  These are 10pcs 125KHz RFID Proximity Keyfobs. they can work with the product which has 125Khz RFID card reader. Operation Frequency: 125KHz; Reading distance: 3-5cm; Each keyfob has an uniqe ID number.   Features:    Supporting card、password、card+password to open door Offline work         Power off data protection function  Connect to the door bell by wire or wireless with accordance to customer requirement and support the switch for opening the door                          Package includes:    1 x Access control machine 10 x Card   Details pictures: