M1 Digital Car HUD Head Up Display, GPS Windshield Projection Speedometer with Over Speed Alarm Fatigue Driving Reminder for All Vehicles
GPS speedometer: collecting real time speed from GPS satellites
Driving time and distance calculation and display
Plug & play: Power through vehicle cigarette outlet jack, no professional installation is required
Display MPH or KM/h - Simple push button set up
Light sensor: HUD can automatically adjust the brightness according to the environmentfor day & night-time driving
Over-speed warning: 3-second alarm beep and display flash will warn driver 93 beeps for over speeding alert)
Alarm mute function
Product dimensions: 8.6 x 3.7 x 1.6 cm; 141 Grams
Item Weight: 141g