Search query: altimeters for cars

Product: COOLOUS C80 Universal Hud Heads Up Display 4.5'' Large Screen Digital Speedometer Altitude Speed Projector Film Over Speed Warning for Cars & Other Vehicles Feature: 1. Head-up display - projects the driving speed on the windscreen; 2. Stand-up display - shows the driving speed on the LED screen. 3. Easy Setup-Plug & Play- Power through vehicle cigarette lighter. No professional installation is required. 4. Compatible with all Cars & Trucks. Use GPS signal guided calculation. No wiring needed to the VSS (vehicle speed signal). 5. Display MPH or KM/H. 5. Driving time and mileage calculation display. 6. Auto adjusts brightness through sensor for Day & Night driving. 7. Green color speed display, easy on your eye. 8. Over-speed Alarm, and On/Off. GPS Speedometers：collecting speedometer from GPS satellites in real time, satellites lock in quickly. Much more accurate than the OBD hud especially when the car tire is replaced, then engine speed is not accurate at all. Besides, GPS hud has the same working logic as speed radar.
Universal HUD：is compatible with all vehicles, car, motorcycle, boat, train and other assets… If use it inside a car, plug it to the car USB port; If no USB port on the old car, then buy a car adaptor for it, or plug it to a power bank.
High Quality Screen：stand-up display,Projects vehicle speed on windshield, stand-alone display as the video showing,green color speed display, easy on your eye.
Over-Seed Alarm：default setting is 120KM/H or 120MPH. Just need press the “up” or “down” to adjust it. When over-speed alarm is active, it will beep in 3 times to alert the car driver. If no need over-speed alert, adjust it to a impossible speed eg 999MPH.
Easy to use：simple device,and good English instructions, get it to use within 5 minutes.No need professional installation,no wiring needed to the VSS(vehicle speed signal).Compatible with all cars&trucks.also Compatibale with motocycle&bicycle. COOLOUS C80