12V Switch Panel with USB & Digital Voltage Meter. 

• Twin Port USB 5V USB 3.1A each
• Digital Voltage Display
• Display Range 0 to 30 Volts
• 4 x Dime Switches with Blue LED indicator (Rated at 20A Each) 
• Pre-Wired Connectors & Pig Tails
• Aluminium Panel with hydro-dipped carbon fiber print. 

KEY MEASUREMENTS 

• Panel Width 82mm 
• Panel Height 160mm 
• Minimum depth required behind the panel is 60mm