Feature: 1. Fine Workmanship: It adopts the encryption algorithm and split design of TEA plus rolling code, and the precise design ensures higher security. 2. Keyboard Design: The keyboard is waterproof and conforms to IP66 backlit keyboard, and one controller can set up to 5 wireless keyboards and wireless exit buttons. 3. Large Capacity: Support 500 ordinary users and 100 visitor users storage capacity, can use 4‑8 digit PIN or EM card to open the door. 4. Multiple Interfaces: The controller provides multiple interfaces, such as external doorbell interface, alarm interface, and exit button interface. 5. Wide Application: The kit consists of a wireless keypad, a wireless exit button, and a controller. It is suitable for various door locks and has strong compatibility. Specification: Item Type: Wireless Access Control SystemMaterial: ABSRemote Control Battery Type: CR2032 Coin Cell Batteryx1 (not included) Access Controller Battery Type: AAA Battery x 3 (not included) Model: AW1 Communication Frequency: 433mhz Card Type: Em Card Maximum Communication Distance: 30m/98ftRelay Contact Load Maximum: 2Amp Safe Mode With Signaled Fault Protection User Capacity: 600 User Cards Waterproof Grade: IP66 Working Voltage: DC 12V Function: Communication is performed at 433MHz using the TEA+ rolling code encryption algorithm. AW1 consists of the following devices: wireless keyboard, wireless exit button, controller. The wireless keypad supports 500 regular users and 100 guest users to open doors using a 4-8 digit PIN or EM card. For night use, white covers are installed on the wireless keyboard. There is a doorbell in the controller. The controller provides a variety of interfaces, such as external bell interface, alarm interface, exit button interface. Door contacts can be connected to a controller to detect open circuits. Up to 5 wireless keyboards and wireless exit buttons can be set up to one controller. A single wireless keyboard or wireless exit button can be set up to work with multiple controllers. . Package List: 1 x Access Controller1 x Controller2 x Glue2 x Access Control Card2 x Remote Control1 x Screwdriver1 x Instruction Manual1 x Hex Screwdriver4 x Expansion Screw Sleeve4 x Screw1 x Wire