T20 1080P Full HD 4G (US Version) Solar Powered Camera, Support PIR Human Body Infrared Sensor, Night Vision, Two Way Audio, TF Card null the background is quiet after

the background is quiet after several tests and optimizations of the circuit design

Paper specifications:

Note: Only the protective cover is sent for delivery

Built-in battery: 400mAh polymer lithium battery

T20 1080P Full HD 4G (US Version) Solar Powered Camera, Support PIR Human Body Infrared Sensor, Night Vision, Two Way Audio, TF Card null the background is quiet after1. Using high performance ISP and 1 2. 7 inch black light image sensor 2. 1920x1080P HD video 3. Built in large capacity battery 4. Ultra low power consumption standby, fast wake up in 0. 2 seconds 5. PIR human body induction 6. Built in microphone and speaker, support two way voice intercom 7. Support cloud storage + local storage 8. APP supports Android iOS 9. Outdoor waterproof 10. Support integrated installation or split installation 11. Alarm