1. Material: ABS+PC 2. Main control chip: Novatek NT96670 3. Running frequency/running memory: 900MHz, DDR3, 2GB/built-in 32Mb SPI Flash 4. Gravity sensing: three-axis G-SENSOR high-precision sensor 5. Screen: 2 inch IPS 6. Sensor: front camera GC4653, rear camera GC2083 7. Resolution: front camera 3840x2160P/30fps, rear camera 1920x1080/30fps (4K+1K) 8. Storage: supports expansion up to 256GB (not included), class 10 or above TF card 9. APP: FinalCamX 10. The system supports Italian, Simplified Chinese, Traditional Chinese, Russian, Japanese, English, French, Spanish, Portuguese, German, Korean, Turkish, Thai, Vietnamese, Polish, Arabic, Hebrew, 17 languages 11. Loop recording: Automatically loop recording after booting. When the card is full, files will be automatically overwritten in chronological order.