Introduction: YK-168 is an access control designed for power door lock as well as security system, and the keypad can read the card without touching it, it is also designed with numeric keypad. You can open the door in three different ways: Open the door with induct Specifications: Product ParameterParameter Description Dimensions117Lx117Dx21W(mm) Operating Voltage12VDC Current Drain<30mA30mA Relay Output ContactsNO and NC Dry Contact, Max Ratin of Contact Current 3A/24VDC Capacity of Recording250ID Cards, 250Codes or 1 Common Code Card Reading DistanceMax Distance 5cm Type of ID CardEM card, 125KHZ Operation ModeID Card Operation, Digital Code Operation, ID Card+Digital Code Operatio Operating Temperature-20° C-60° C60° Cg; C60° C Operating Humidity10%-90% Weight0.14kg Advantage: Simple Programming, Easy Operation. Adopt function steady card reader of blocks. Keypad Locks for 30 Seconds After 10 False Entries. Can be Connected with Door-open Button and Doorbell. Non-volatile Memory in Power Failure. Tamper Switch can be Connected to Security Alarm System.