Wire or Wireless : Wire Origin : CN(Origin) Sold in : sell_by_piece Qualified Application Area : car Application : Supports 99% of the car models in the market Function : Measure the vehicle's pitch angle, roll angle, driving speed, Features : Safety alarm prompts,Driving mode selection,Smart Inclinometer Digital Dispaly Multifunctional smart slope meter : Car Inclinometer Digital car inclinometer : car inclinometer compass,on-board computer car Car Compass Inclinometer Speedometer : GPS Speed Slope Digital Tilt Meter GPS Speedometer Off Road Accessories : Car HUD Head Up Display Overspeed Alarm speed monitor system KMH : with holder stand car tester GPS tracker locator Declinometer car speedometer : gps car speedometer car compass : m60 inclinometer Dial Display : Digital Power supply : DC10V~30V Operating temperature : -40+80 Pitch angle : -40~+40 Roll angle : 40~+40 Voltage measurement range : DC10V~30V Voltage measurement accuracy : 0.5V GPS data refresh rate : 1s Speed accuracy : 0.36Km/h Wireless transmission frequency : 2.4GHz