Features: Low power consumption, standby current is less than 30mA, with locked output current short circuit protection. Can use separate password. You can also open the door with a password that is not related to the card. With strong and durable zinc alloy plating tamper-proof housing, more practical and reliable. With backlight key and Luminous keyboard for night time use. Complete programming from the keyboard, can be used as a separate keyboard. Support Wiegand output interface, Wiegand26 signal. Wiegand 26 input for connecting to an external reader, Wiegand 26 output for connecting to a controller. Easy to install and program, adjustable door output time, alarm time, and door open time. With fast running speed, 2000 users <20ms, also support card, PIN, card + PIN. Red, yellow and green LEDs can display operating status, built-in photoresistor (LDR) for tamper resistance. The card number can be deleted by using the keyboard. After the card is lost, the card number can be deleted by the keyboard to completely eliminate the security danger. Demolition alarm: If machine is illegally dismantled, built-in buzzer will alarm. Bell button and interface: The button and circuit can isolate any external doorbell. Specification: Material: Metal Color: As picture shown Operating voltage: DC / AC 12V / 24V Quiescent Current: ≤30mA Reading Range: 3-8cm Capacity: 2000 users Adjustable Door Relay Time: 0-99 seconds Wiegand Interface: Wiegand 26 Wiring Connection: Electronic lock, exit button, external alarm, external reader Ambient Temperature: -25 ° C - 60 ° C Ambient Humidity: 10%-90% Electric Lock Output: ≤ 3A Alarm Output: ≤20A Output Short Circuit Protection Time: ≤100μS Opening Hours: 0~99 seconds (adjustable) Package List: 1 x Access Control 10 x ID Card 1 x Screw Package 1 x Instruction Manual .