Color: Black with blue backlight.Integrated proximity reader compatible with:Proxy-Cards,Mini-Proxy,Proxy-Tags,3 onboard programmable I/O terminals,Supports Roller Blind detectors,Very simple and fast installation without cabling problems: terminals only on the back.Integrated level tool for easy installation,2x16 blue LCD display.Adjustable display contrast,4 system status LEDs,3 proximity reader LEDs: arming, A and B arming