1. Resolution: main 2048x1536, auxiliary 704x480 2. 12 infrared lights to ensure high-definition long-distance night vision 3. IP65 waterproof can work well in bad weather 4. Support motion detection, mobile phone prompts promptly 5. Support two channels of audio, built-in microphone and speaker, no matter how far away, you can easily talk through the battery camera 6. Wireless network: WiFi (IEE 802.11 b/g/n) 7. Video encoding: H.265 8. Viewing angle: 90 degrees 9. Moving head range: support 330 degrees left and right, 90 degrees up and down 10. External expansion: support 128G 11. Number of infrared lamp beads: 12 12. Product size: 17 x 20.5 x 18cm 13. Product weight: 540g