It is the digital combination instrument with big LCD. LCD adopts wide temperature,wide visibility, blue character with dark film, high-light poor light in light green,high definition,beautiful shape and reliable dispaly. LCD uses special matrix display area  to display information customized by demand. The arc meter is used to display water temperature,fuel level,oil temperature,oil pressure.The matrix display area is used to display working hour,clock,ratation ,voltage and working state reminding in character,menu set and other customized content. 10 way alarming light and indication light is used for malfunction alarm and signal indication. Communication interface is used to connect hand-held adjusting tool,set alarming point and motor gear number,communicate with GPS. The key area is used for function switch,menu operation and alarm stop