1. Simultaneous recording of front and rear, one key can switch front and rear recording, double protection, providing strong evidence for driving. 2. 6-layer glass 1080 high-resolution lens, F2.0 aperture, can shoot clear and delicate picture quality even in low light environment. 3. 170-degree wide angle, wider field of view, avoiding all dead corners in front of the vehicle, achieving high-definition large viewing angle, larger horizontal size, clearer images, and better details. 4. High-performance processor, running smoothly. 5. Gravity lock function, when the vehicle is in a collision, it will be automatically locked in situations such as sudden braking, and important evidence of the current video is not lost. 6. 24-hour parking monitoring, all-weather guarding, real-time monitoring of theft, scratching, accident recording, etc. 7. Automatically loop recording, automatically delete early unlocked videos, keep sufficient memory space, and ensure that the recorder continues to record new videos. 8. Parameters: Display: 4.0 inches Video resolution: 1080P Language; English/Simplified Chinese/Traditional Chinese/French/German/Japanese/Portuguese/Russian/Italian Support memory size: TF card 8G-32G (not shipped with) Solution: Generalplus 2247 Lens angle: front 170 degrees, rear 140 degrees Video pixels: 5 million Power supply: 5V 1A Car charger: 12V