Aimila 9 LED Battery Indicator Gauge 12V VOLT Meter for Auto Motorcycle ATV Tractor Trolling Motor This battery indicator works on general 12V 24V lead acid storage battery Application: Golf carts,marine,motorcycle,ATV,tractor,trolling motor,and many more. It has 9 LED light to indicate the battery level and 2 overlapped LED light to display the state of battery level. Very slim size: 46*27*12.8mm. Easy installed by screws. Rating input voltage: DC 11-16 Volt