1.Numeral and color LED display 2.2,3,4 sensors for option 3.Display size: 130*16*14mm description: 1, ... slim dash mounted LED display 3, Step-up buzzer alarm 4,Left and right obstacle indication. 5,Numeral display from 1 ... 6,Display unit with built-in buzzer 7,2,3,4 sensors for option8,Display size: 130*16*14mm package:Unit Weight ... /ctnG.W.: 1.8 kg /ctnMEAS:53*32.3*42cmdisplay:sensors:colors:package: