The Vapor Digital Gauge Kit is carefully crafted and constructed for the off-road or on-road enthusiast from a combined effort of experts in software, electrical and mechanical design. Vapor's large digital tachometer bar graph is easy to read and understand. This digital gauge has many other useful features including speed, engine temperature, adjustable distance, stopwatch and odometer. Vapor also features two L.E.D. indicators for customizable shift indicators and engine temperature warning. Trail Tech came out with the Vapor computer to contain every needed measurable for your motorcycle or ATV. Vapor Computer features a large LCD that is easy to read. Clearly displays your engine's RPM with the well-lit tachometer graph that includes redline warning lights for engine protection. Hooking up the Vapor computer to your ride is easy with the included plug-and-play wiring to match your motorcycle or ATV. The Vapor computer kit is race-worthy with the built-in stopwatch and - for enduro races - an adjustable distance setting. Trail Tech Vapor Computer Kit Features: Speedometer: Current speed, maximum speed; selectable MPH/KMH display. Tachometer: Real-time RPM bar graph, numeric RPM bar graph, dual programmable shift lights; up to 20,000 RPM. Temperature: Ambient temperature, engine temperature, dual programmable temp lights; exact model fit temperature sensor; selectable degF/degC display. Distance: Adjustable distance, permanent odometer; selectable mile / kilometer display. Clock: Hour meter, stopwatch, ride time, accumulated ride time, permanent hour meter; selectable 12/24 hour display. Power Input: Includes power connection fits all machines, accepts any power input - AC/DC, auto switch to internal power if external is removed, permanent memory guarantees data is never lost. Value Added: Custom designed for exact model fit, all parts included to complete installation, one year warranty, unlimited free Trail Tech phone and e-mail support, waterproof connections included, bright white backlit LCD display, accessory dashboards for most applications (sold separately). Kit Includes: Mounting hardware, speed sensor, ignition sensor, magnet kit, water temperature sensor, and power lead. Detailed Specifications: Speed range ("SPD" on display): 4 - 399 KPH/MPH. Tachometer range (graphical): 0 - 12000 RPM. Temperature range ("ENG" on display): 0 - 260degC / 32 - 499degF. Distance range ("DST" on display): 0 - 19999 KM or M. Accumulated run time range ("CLOCK" on display): 0 - 9999 hours. Odometer range ("ODO" on display): 0 - 999999 KM or M. Ride time ("RT" on display): 0 - 9999 hour 59 min. Accumulated ride time ("ART" on display): 0 - 9999 hour 59 min. 12H or 24H clock ("00:00:00" on display): 12:59:59 or 24:59:59. Low battery ("LO" on display): About 1 year life. Tire size: 0 - 3999 mm. Engine temperature: -30degC - 270degC. Ambient temperature: -40degC - 125degC. External power input: 9 - 400 VAC / 9 - 55 VDC (No polarity requirements). Internal battery: 3V CR2032. Battery life: 1 year. Power wire: Red / black 20-gauge wire. Real-time RPM bar graph: 0 - 12,000 RPM. Numeric RPM readout: 0 - 19,999 RPM. Temperature sensor: Ambient temperature, Engine temperature. Backlight: LED group. Screen: 78.75 x 28.6 mm (3.1 x 1.13"). Physical dimensions (WxHxD): 106.93 x 59.46 x 23.7 mm (4.21 x 2.34 x 0.93"). Physical weight: 3.9 ounces (110 grams). Operation temperature: 0 - 60degC (32 - 140degF). Storage temperature: -20 - 80degC (0 - 175degF). Critical environment (temperature or tachometer): Amber / red L.E.D. alerts.