2'' 52mm Voltmeter Volt Meter 8-16V Voltage 12V 7 Colors LED For Car Boat Truck 

Feature:

• IP67 waterproof and dustproof grade
  
• With ultra-wide working voltage design (long-term operating voltage:9-32v,maximum up to:36v)
  
• Gauges have many kinds backlight color (red, green, blue, white, yellow, cyan, purple),customers can adjust any color that you like

 
Specifications:  

• Install diameter:52mm 
  
• Indication range:8~16V
  
• Backlight color:red, green, blue, white, yellow, cyan, purple,you can choose color that press the gauge back button
  
• Working voltage:9~32V DC
  
• Input signal:8~16V
  
• Working current:≤60mA
  
• Operating temperature:-30℃~+75℃
  
• Storage temperature:-40℃~+85℃
  
• Waterproof: IP67

Connection:

• Black: Ground(-)
  
• Red: 9-32VDC
  
• Blue: Signal Input
  
• Yellow: Backlight
  
   

Package Include:

• 1 x Voltmeter
  
• 1 x Wiring harness
  
• 1 x Instruction manual