1. 4.3 inch high-definition display. 2. 2 million professional security camera. 3. Metal material prying cat eye head. 4. 145 degrees wide wide angle. 5. 1800mA lithium battery; easy to use and convenient. 6. Support USB and mobile power supply. 7. Support the door thickness 35-110mm. 8. Door hole range 15-25mm. 9. Energy saving technology, automatic standby. 10. A key to wake up function to watch, easy to operate.
