Voltmeter Electric Speedometer Bicycle Scooter Motorcycle Bicycle 48V 60V 72VOOTDTYCallifunctional Voltmeter Thermometer Speedometer Mileage For Electric Scooter Bicycle Bicycle Motorcycle Dashboard 48V 60V 72VProscribe: , Specifications:Power Supply: 48V - 72V Working Temperature: -30 - +80Power Consumption: 0.3W-0.9W Pcb Measurement: 53*105mm Lcd Size: 40*85mm Screen Color: Red/Green/Blue/White/Yellow Instructions: 1, There is a protective film, you need to tear off the LCD before box.2, not the rear positive and negative power meter, please note that on the whole board, to avoid conductive material, to avoid short circuit.3, human safety voltage 24V, wiring process, please turn off (or wear gloves) operation! Wiring:Positive Power Supply: Red Negative Power Supply: Black Signal Reflector: Blue Turn Left Signal: Orange Turn Right Signal: Brown Speed Signal: PurpleFriendly Remind: If you feel difficult or not connecting, you can directly connect the positive, negative, speed cable; Headlight, left and right light can not . Specifications:Power Supply: 48V - 72Vounding Temperature: -30 - +80Power Consumption: 0.3W-0.9WRpcb Size: 53*105mm/2.08*4.13inLcd Size: 40*85mm/1.57*3.37inScreen Color: ColorNote:Transition: 1cm=10mm=0.39in. Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1x48-72V Multifunctional Voltmeter Thermometer Speedometer Dashboard