1. Material: PC+ABS 2. Main control chip: GK7202V300 3. Pixel: 300W 4. Resolution: 1920x1080P 5. Lens: Focal length 2.8mm 6. Compression format: H.265 7. Power supply: 5V/1.5A 8. Operating system: Android/iOS 9. WiFi: 2.4G, wireless network 802.11b/g/n 10. Adjustable angle: 350 degrees left and right, 90 degrees up and down 10. Support two-way voice intercom, intelligent loop recording, motion detection, and humanoid tracking 12. Supports free switching between dual-screen and single-screen mobile phones, and the screen can be shared by multiple people