Features 1. The tachometer uses a stepping motor to enhance sensitivity, providing convenient operation. 2. Numbers and pointers are clearly displayed on the dial, allowing for easy reading in low-light conditions. 3. Designed with low power consumption, long service life, and high precision to meet reliable performance needs. 4. This GPS three-in-one tachometer displays vehicle speed, water temperature, and oil pressure. 5. Constructed from high-quality ABS and stainless steel materials for durability and strength. Specification Item Type: GPS Speed Gauge Material: ABS + Stainless Steel Screen: OLED Screen Voltage: 9-32V DC Cog: Angle of Navigation, Navigation Direction TRIP: Single Mileage, Power Outage Cumulative Total Mileage: 0-999999NM Waterproof and Dustproof Level: IP67 Suitable for: Car / Truck / Ship Package List 1 x GPS Speed Gauge 1 x Manual 1 x GPS Antenna