Real-Time Speed Data Display & Fine-Tuning: GPS speedometer displays real-time vehicle speed (0-199 KM/H/MPH), relies on independent satellite signals, supports speed fine-tuning (50-150 range) to match actual vehicle speed. It also features a built-in compass and speeding alerts
Multi-Function Head-UP Display: 3 inch screen GPS speedometer supports MPH/KmH unit switch to fit US driving habits Shows, compass (N/S/E/W). Customizable alarm speeds for safe driving, default settings at 150/180/199 MPH or KmH
Adjustable Brightness Mode: This digital speedometer has 0-11 brightness levels including AUTO photosensitive mode, ensures clear visibility in sunlight or dark nights
Safe 5V Power Supply & Durable Design: GPS speedometer operates on 5V power only—never use a higher voltage to avoid damage. Powered via USB (check cable for damage if no display)
Operation: Digital GPS Speedometer has rotary key for mode switching, parameter adjustment and factory reset, simple troubleshooting for common issues like inaccurate speed