G3 Car 5.5 inch HUD Head-up Display HD GPS Speed Alarm Odometer Battery Accessories Built-in microphone

Built-in microphone

Internal impedance: 50ohm+/- 5%

- Zero measurement

trapezoidal measurement

Viewfinder Type:LCD Screen

G3 Car 5.5 inch HUD Head-up Display HD GPS Speed Alarm Odometer Battery Accessories Built-in microphone1. Automatically turn on and off as the car starts and stops. 2. Alarm functions Improve driving safety: (1). Overspeed alarmAlarm when the vehicle speed reaches the set default value of 150KM H (30 250 setting) (2). Fatigue driving: Reminder after continuous driving exceeds the default value of 4. 0 hours1 8h setting 3. The altitude is collected by satellite and is not affected by naturul factors such as weather. Very high positioning accuracy. 4.