1. No connection: solar charging and built-in lithium battery power supply; 2. No wiring: no cutting through the wall, no damage to the decoration; 3. No cable: monitoring without cable; 4. Remote view: with network, you can view remotely anytime, anywhere; 5. Human body induction: when sensing a person, take a video immediately; 6. Privacy protection: local storage, no leakage; 7. Two way voice: monitoring recording, real-time intercom; 8. Simple installation: self installation, no need to invite professional construction personnel; 9. Dual light source night vision full color: white light auxiliary light source, night can also display color picture; 10.Support access to Google assistant、Amazon Alexa;