Feature: 1. Non‑contact RFID access control machine, which is one of the most advanced single door controllers. 2. Built‑in for Atmel microprocessor, strong anti‑interference ability, high safety and reliability. 3. Built‑in card reader, support 125KHZ EM card. Wiegand 26 output, stable to use. 4. Three ways to open the door: card, password, card + password, large user capacity, it can support up to 2000 users. 5. Use an independent password to open the door. The user can change the password. 6. If the card is lost, you can use the keyboard to delete the card, eliminate security trouble completely. 7. Anti‑disassembly alarm, the alarm will sound after illegal disassembly. 8. Luminous metal keypad, making it convenient to operate at dark night. 9. When the electric lock or alarm output is short‑circuited, the output will be automatically turned off within 100 microseconds. 10. It can be widely used in high-end office buildings, residential quarters and other public places. Specification: Condition: 100% Brand New Item Type: Access Control Machine Material: Metal Frequency: 125khz Storage Capacity: 2000 Users Working Voltage: 12-24V DC Working Current: <200mA Quiescent Current: <30mA Support Card: ID Card Card Reading Distance: Approx. 2-6CM/0.8-2.4in Relative Humidity: 10%-90% Working Temperature: -20°C-+60°C Storage Temperature: -20°C-+60°C Output Short Circuit Protection Time: Less Than 100us Electric Lock Output: ≤3A Door Opening Delay Time: 0-99 Seconds (Adjustable) Size: Approx. 95 x 73 x 20mm/3.7 x 2.9 x 0.8in. Package List: 1 x Access Control Machine1 x Connection Cable1 x Mounting Accessory1 x Manual