Access Control Keypad IP67 Waterproof Wireless Digital Card Reader Entry Door Lock with Blue Backlight Item Type: Access Control KeypadMaterial: ABSRecognition Speed: ≤0.3S Quiescent Current: ≤30mA Ambient Temperature: -40°C~60°C Ambient Humidity: 10%~90% Storage Capacity: 2000 users Card Reading Distance: 2-6cm/6.56-19.69ft Card Type: ID 125KHz Unlocking Method: Password, card, password + card Electric Lock Output: ≤3A Opening Time: 1~99s (adjustable) Product Size: Approx. 140x69x17mm/5.51x2.72x0.67inOperating Instructions: 1. Add Card:The additional card is mainly used to add the user card in quick succession, the first time to read the additional card, ring "beep" two short sounds, the indicator light turns orange, indicating to enter the state of adding user card, the second reading of the additional card, ring "beep-" - long sound, the indicator light turns red, indicating that exit the state of adding user card 2. Delete Card: The delete card is mainly used to delete the user card in quick succession, the first time to read and delete the card, ring "beep" two short sounds, the indicator light turns orange, indicating to enter the deleted user card state, the second read to delete the card, ring "tick-" - long sound, the indicator light turns red, indicating to exit the state of deleting the user card