M90 Slope Meter Introduction: Gasoline and diesel vehicles that comply with the standard OBD-II protocol. M90 OBD automotive off-road slope meter is a compact and powerful gauge. It is especially suitable for off-road vehicles that are not equipped with a slope meter. Additionally, this gauge is appropriate for cars without a speedometer, engine temperature gauge, oil temperature gauge, turbo air intake pressure gauge, and fuel consumption display as well. The M90 off-road gauge is also able to display and monitor the vehicle battery voltage, generator charging voltage, vehicle over speed alarm, high engine temperature and others. In addition, it is possible to read real-time vehicle data streams, scan for engine fault codes and provide and clear of fault codes. M90 is a multifunctional instrument that works with dual modules. For vehicles that do not support OBD protocol, there is an option to use GPS mode, which displays vehicle speed, direction, altitude, off-road slope meter and other data. Parameter: Power supply: DC10V~30V Operating temperature:40C~80C Pitch angle:40~40 Roll angle:40~+40 Voltage measurement range: DC10V~30V Voltage measurement accuracy: 0.5V Speed accuracy: Less than 0.36Km/h GPS data refresh rate:1s GPS hot start:1s(AVG) Wireless transmission frequency:2.4GHz GPS cold start:32s(AVG) Colour: Black Material: plastic Package Contents: 1 x HUD Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.