Features:*1. GPS head-up display supports 2 power supply modes, one is solar energy, another is USB charging, so it accompanies every journey without power failure. *2. Adopting the GPS+Beidou dual-channel module, the HUD gives you real-time speed monitoring, altitude monitoring, odometer, and time/date display, in high precision. *3. HD large LCD display facilitates you to check all the key data without lowering your head, and supports auto brightness adjustment to adapt to day and night use. *4. Keep driving safely thanks to Overspeed Alarm and Fatigue Driving Reminder functions. *5. No need to switch on/off repeatedly, the head-up display power on/off when you start/stop the engine.Description:*1. Material: ABS+PC *2. Battery Capacity: 1000mAh *3. Operating Temperature: -40C~+80C *4. Speed Accuracy: 0.36Km/h *5. GPS Cold Start Time: 32s (average) *6. GPS Warm Start Time: 1s (average) *7. GPS Data Refresh Rate: 1s *8. Wireless Transmission Frequency: 2.4GHzPackage Includes:1x HUD