1. Material: ABS+PC
2. Power supply voltage: 12/24V
3. Working voltage/current: 5V/0.3A
4. Power: 1.5W
5. Power interface: USB
6. Functions: fixed camera, fixed speed measurement, hourly timekeeping, interval speed measurement, red light camera, speed limit reminder, speeding reminder, real-time speed, real-time positioning, real-time satellite, gas station reminder, dangerous road section reminder
7. Size: about 6.55x1.6x4.28 cm
8. Weight: about 390g

Features:
1. Early warning of 300-1000m
2. Smart Bluetooth, mobile phone interconnection, adjustable sound, driving track, real-time positioning, real-time satellite signal, adjustable speed error
3. Real-time vehicle speed comparison, accurate without delay
4. 360-degree speed measurement without blind spots, unfamiliar sections, speed measurement warning
5. Speed display + electronic dog, easy and safe driving
6. 3.5-watt tweeter, live voice broadcast, real-time speed monitoring
7. HUD digital display, high integration, non-reflective, large font, high definition