Product Features: -Suitable compatible for all kinds of vehicle modification. -High-brightness LED backlight. -316 stainless steel compatible for long-term use even in acid-base, humid environment. -IP67 waterproof and dust-proof grade. -With curved glass with anti-fog function. -Using stepper motor drive pointer, accurate display of the engine speed, and with the LCD display clear display mileage. Technical Data: - Installation Diameter: 85mm or 3-3/8" - Indication Range: 0-80km/h - Odometer: 0-999999km - Backlight:7 Backlights available red, green, blue, white, yellow, cyan, purple - Function: Current speed and accumulative ODOrecord the mileage after power off - Material: Stainless Steel 316L Bezel + Anti-fog Glass - Signal: GPS - Working Voltage: 9~32V DC - Working Current: 100mA - Operating Temperature: -30 ~ 75 - Storage Temperature: -40 ~ 85 - IP67 waterproof and dustproof grade Package Includes: - 1*85mm GPS Speedometer - 1*multi-plug socket - 1*Installation Instruction