1、This product is a single‑door multi‑function independent access controller or Wiegand output keyboard card reader. This machine can support up to 2000 users. 2、Support three door opening methods, card, password, card + password to open the door, built‑in card reader, support for Mifare card 156MHz (not included). 3、Wiegand 26 input, used to connect to an external reader, Wiegand 26 output, used to connect to the controller. 4、Support independent password setting, use a password not related to the card to open the door, and the user can modify the password by himself. 5、You can delete the card number, use the keyboard to delete the card number after the card is lost, completely eliminate potential safety hazards, and have a tamper‑proof alarm function. 6、Backlit keyboard, more convenient operation at night. Output short‑circuit protection, when the electric lock or alarm output is short‑circuited, the output will be automatically turned off within 100 microseconds. 1 x Door Keypad1 x Connecting Cable1 x Bag of Installation Accessory Kit1 x Manual Condition: Brand NewItem Type: Door KeypadMaterial: ABSColor: BlackFrequency: 13.56MHzStorage Capacity: 2000 UsersWorking Voltage: 12-24V DCWorking Current: <200mAQuiescent Current: <30mASupport Card: IC Card (Not Included)Card Reading Distance: Approx. 2-6cm/ 0.8- 2.4inRelative Humidity: 10%-90%Working Temperature: -20°C-+60°CStorage Temperature: -20°C-+60°COutput Short Circuit Protection Time: Less Than 100usElectric Lock Output: ≤3ADoor Opening Delay Time: 0-99 Seconds (Adjustable)Size: Approx. 92 x 83 x 23mm/ 3.6 x 3.3 x 0.9in