Installation: 110mm(4.33”) diameter and 40mm(1.57”) depth for installation hole. Choose one backlight among red, green, blue, white, yellow, cyan, purple. IP67 waterproof and dustproof grade.
Tachometer: current rpm and hourmeter 0-99999.9H. You can press the back button to set speed ratio to match with your engine.
Oil pressure: 0-150PSI, 10-184ohm signal. Water temp: 100-250°F, 301-22ohm signal. They need to work with the sensors at same signal.
Working Voltage: 9-32VDC. Operating current: ≤100mA(24V); Operating temperature: -30~+75°C; Storage temperature: -40~+85°C. Application: Universal type, for Car, Motorcycle, Bike, Racing, Truck, Boat, Yacht, etc.
Package Includes: 1x 3 in 1 Gauge, 2x Wire Harness, 1x Installation Instruction. If you have any questions about the product, please let me know.