Nano ll, Compact digital volt meter

Allows you to monitor battery voltage and charging current and take action before problems arise. Measuring range 7.5 to 18 Volt. Comes with white backlight that will start flashing red when voltage drops below 12V. The gauge is IPX7 waterproof (30 minutes submerged in 1 meter of water) so extreme rain or bike washing will not be an issue. Installs with included adhesive tape. Complete with wiring and wiring diagram. Gauge dimensions: 37mm wide x 25mm high x 10.8mm deep.