Feature: 1. Non‑contact induction card, WiFi password access control all‑in‑one machine, is one of the most advanced single‑door controllers. 2. 4 door opening methods: card, password, card + password, phone APP, large user capacity, can support up to 10000 users. 3. Built‑in American for Atmel microprocessor, strong anti‑interference ability, high safety and reliability, powerful function. 4. With doorbell interface, wired doorbell (NOT Included) can be connected, anti‑disassembly alarm function, the alarm will sound after illegal disassembly, high safety and reliability. 5. Support password modification by users, you can delete the card number after the card is lost, effectively eliminating potential security risks. 6. Built‑in card reader supports 125KHZ EM card, support for Wiegand 26 input/output. Can connect to mobile phone via WiFi, open the door remotely. 7. Durable backlit metal keyboard, more convenient to operate at night. Can be widely used in high‑end office buildings, residential quarters and other public places. Specification: Condition: 100% Brand New Item Type: WiFi Access Control Material: ABS Plastic Color: BlackFrequency: 125khz Storage Capacity: 10,000 Users Working Voltage: 12-24V DC Working Current: <200mA Quiescent Current: <30mA APP: For EWeLink 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: 0-300 Seconds (Adjustable)Size: Approx. 120 x 50 x 20mm/4.7 x 1.97 x 0.8in. Package List: 1 x RFID WiFi Access Control Machine1 x Screw Pack1 x Connecting Cable1 x Instruction