Wireless Access Control System Large Capacity IP66 Waterproof Keyboard Multiple Interfaces Push to Exit Control System 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 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.