Can be used for various vehicles with different diameters. Can be set for all rim sizes. Can be used for various displacement vehicles. The fuel gauge is suitable for oil sensor with 510 Ohm (eg for Honda) 100 ohm (eg for Yamaha), if your motorcycle does not have oil sensor, please ignore it. Easy assembly, UV/protection, anti-dazzle. High pressure resistance: instantaneous can withstand 100V voltage. Waterproof, shockproof, anti-lightning Flat button switch subtotal mileage. LED display fuel level, low fuel consumption and blinkerin. LED shows left and right flasher and bean light, gear, distance, speed and so on. Adjustable wheel circumference. Fit for all style motorcycles (1/2/4 cylinder motorcycle) Specification: Fuel level table Over speed warning light Left turing, right turing, indicator Headlight Gear display: N, 1, 2, 3, 4, 5, 6 Show time (hours and minutes) Working temperature: -20 ~ 70 Storage temperature: -30 ~ 80 Size: about 10 x 10 x 7 cm Working voltage: 8-18V Luminescence panel backlight. Display speed digital display, speed range 0-199km/h or mph, deviation +10%.Digital display distance from o,distance range 0-99999.9km or milesRpm needle display,range 0-12000 r/min RPM,deviation +5%.Color: black Color lights: bean light, blue. Left and right flasher (green). LCD screen backlight blue, / always on. Plug wire color description: Purple black: speed Black: anode Light blue: turn right Dark blue: beam instructions Orange: turn left Yellow and white: neutral Brown: small night light Red: positive electric power door locks are positive Light green/pink: 1 file Lights green-brown: 2 files Light green green: 3 files Light green yellow: 4 files Light green black: 5 files Light green blue: 6 files Green black: negative (ground) Blue white: line oil