Feature 1GPS speedometer is IP67 waterproof, using the stepping motor to improve sensitivity. 2The numbers and pointer has red backlight function on the dial, which is easy to read in the dark. 3Easy installation with users manual in English, professional installation is highly recommended for most of cars or motor. 4Highquality ABS and stainless steel material, high performance and long service life. 5Manufactured to meet standard specification, strictly follow factory quality control.Item Type: GPS Speed GaugeMaterial: ABS + Stainless SteelVoltage: 9-30V DCCumulative Total Mileage: 0-999999kmWaterproof Level: IP67 Waterproof and Dustproof GradeFitment: For car truck boat ect. .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xSpeed Gauge1 x Manual1xGPS Antenna