1,6 digital LED display 2,Color available in red, blue,green. 3,12/24 ... ,Rack Mount Features•6 digit LED – display colors available in red, green,yellow, and blue• Display time in 12 or 24 hr ... -friendly product-can adjust the brightness and turn off the display in a specified period of time• NTP synchronization options and ... non-volatile memory andsurvives power losses POE Rack Mount LED display