Description: Electronic No Stationery Total Mileage Adjustable OverSpeed (Value Adjustable) IP66 Waterproof Specification: Speed Range: 0~200 Km/h Mileage Range: 0-999 999 KM Trip Counter polarity protection and anti-fogging performance Installation Diameter: 85mm (3 3/8) Working Voltage:12V/24V Working temperatures: - 40 to IP66 Waterproof Bezel Color: Black Display Color: Black Package Includes: 1 Piece Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) 3. Instruction is not included. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.