-Be suitable compatible for all kinds of speed sensor, and display the speed and mileage of vehicles -The gauge has the advantages of high precision, quick location confirmation and short start up time. -Stepper motors used compatible for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc. -With curved glass with anti-fogging function -With ultra-wide working voltage design long-term operating voltage: 9-32V, Maximum up to: 36V 1 min. - Name: PulseSpeedometer - Materials: stainless steel+nickel-plated plastic - Operating Voltage: 12V/24V - Connection: Red-Battery+9-32VDC Blue-Battery- Orange-Backlight+9-32VDC Black-Sensor - Indicating Range: 0-120KM/H 0-200KM/H - Input Signal: The signal comes from pulse signal - Protection Class: IP67, can work underwater 1 meter position 1 x GPS Speedometer 1 x Cable 1 x Owner's Manual compatible for Speed Sensor Be used compatible for gear rotation speed measurement Combining the advantages of stable signal, wide range of operating temperature, small size, simple assembly, etc. It covers a wide range of measurement, and it is able to measure the zero-rotation speed Operating temperature: -40 ~85 Output signal: square wave Inductance distance: less than 2mm Operating voltage: 8~32V with polarity protection Connecting way: three wires connecting Thread type: M18X1.5 M16X1.5 Protection rank: IP67