Description: 316 Stainless steel bezel for long-term use. IP67 waterproof and dustproof design. Digital display, easy to read. Low power consumption, longer life, higher precision Can be used for boat, marine, etc. Specification: Part Number: 912-00059 Installation diameter: 85mm Dial: Black Bezel: Chrome 316L Stainless steel Signal: GPS Range: 0-80MPH Working volt: 9-32VDC Operating current: ?100mA Operating temperature: -30~+75? Waterproof: IP67 Package Includes: 1 Set GPS Speedometer Gauge Note: 1. 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. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please kindly understand. Make sure you don't mind before you order