ESCAM C85 1080P 4.3 inch Smart WIFI Digital Door Viewer Supports Wide-Angle PIR & Night Vision & Dingdong Photo Features: 1. 4.3-inch ultra-large high-definition screen, making viewing on a large screen more convenient. 2. 1080P high-definition pixels, shooting clearer. 3. The wide angle is 167 degrees, the horizontal angle is 138 degrees, and the field of view is wider. 4. The Ding Dong machine comes with infrared night vision and Ding Dong doorbell. 5. Built-in 5000mAh lithium battery, long working time. 6. Equipped with PIR motion detection, push accurate alarms, record and save them. 7. Built-in TF card slot, supports up to 32G memory card. 8. Support voice phone calls and two-way intercom. 9. Support mobile APP, photo taking and video recording with sound. Parameters: 1. Processor: T31 2. Sensor device: 1080P COMS sensor 3. Operating system: LiteOs 4. Resolution: 1080P 5. Screen specifications: 4.3 inches (480x272) 6. Battery capacity: 5000mAh 7. External storage: Micro SD card (maximum support 128GB) 8. Night vision wavelength: 850nm 9. Infrared distance: about 5m 10. Charger: 5V2A 11. Door hole diameter: 14-35MM 12. Door thickness range: 35-120MM 13. Screen size: 118x88x22mm 14. Ding dong machine size: diameter 62mm 15. Wireless WIFI: IEEE802.11bqn 2.4GHz 16. Operating temperature: -10 degrees Celsius to +50 degrees Celsius 17. Working humidity: less than or equal to 80%RH Packaging List: - Outdoor unit x 1 - Indoor unit x 1 - Metal stand x 1 - Screws x 4 - Power cord x 1 - Instruction manual x 1