4-Wire Sealed Indoor/Outdoor Proximity Reader and Keypad

- Only 4 wires instead of 7 to connect with 4-wire access control modules - In-field firmware upgradeable via CONV4USB and WinLoad - Adjustable red/green LED intensity and buzzer frequency - Extreme weather-resistant design (injected rubber gasket and PCB cover) - Tricolor LED display - Available in 3 colors (white, silver and black)