AP‑6 Car OBD and GPS Smart Gauge Display LCD Dual System Head Up Device for Vehicles Cars Item Type: Video Audio Converter Material: PC+ABS Installation Location: Dashboard Dual System: OBD+GPS Obd Connection Line: 1.5m/4.9ft OBD System: OBD System Communication Is Strictly In Accordance With SAE (American Society Of Automotive Engineers) J1939 Protocol Standard. The CAN Communication System Is More Stable And Can Read More Than 100 Items Of Data In The Car. GPS System: GPS System Can Obtain: Speed, Date, Time Altitude, Driving Direction, Latitude And Longitude, Number Of Satellites. Ambient Light Function Status: ①It Lights Up Normally After Booting, The Color Is Blue (Changes With The Brightness Of The Environment) ②When There Is An Alarm, The Color Is Red And Flashes (Maintain The Brightest State) ③The Brightness Can Be Turned Off Or Manually Adjusted (After Turning Off, It Will Still Turn Red And Flash In Case Of An Alarm)