1、There are multiple ways to open the door, including mobile APP, password, card unclock and combination of password and card unclock to open thedoor. 2、This is a non‑contact proximity card password access control all‑in‑one machine, which is one of the single door controllers at present. And can be connected to a wired doorbell(not includ wired doorbell). 3、Adopting unique material design, equipped with durable backlit keyboard, built‑in American for Atmel microprocessor, built‑in card reader to support 125KHZ EM card, large capacity for 2000 users. 4、It has strong anti‑interference ability, high safety and reliability, powerful functions, and easy to use. It can be widely used in high‑end office buildings, residential quarters and other public places. 5、Multifunction machine, WG26/34 output and input, equipped with luminous keyboard, more convenient operation at night, and more flexible use oftouch keys. 6、There is an independent password, and the user can modify the password by himself. After the card is lost, use the keyboard to delete the card number, which can completely eliminate security risks. 1 x Access Control Machine1 x Installation Screw Package 1 x Connection Cable1 x Manual Item Type: Access ControlMaterial: ABSSize : Approx. 115 x 75 x 17mm/ 4.5 x 3.0 x 0.7inFrequency: 125 KHZStorage Capacity: 2000 UsersOperating Voltage: 12 - 24V DCOperating Current: < 200mAStatic Current: < 30mASupport Card: ID cardCard Reading Distance: Approx. 2 - 6cm/ 0.8 x 2.4inRelative Humidity: 10% - 90%Ambient Temperature: -40°C - +60°CElectrical Lock Output: ≤3ADoor Opening Delay Time: 0 - 99 Seconds (adjustable)How to Use:Mobile phone download APP for "Tuyasmart ", mobile phone and access control machine connected to the same WiFi, using the mobile phone can control the access control machine.