V5 Video Doorbell Smart Wireless WiFi Security Door Bell Visual HD Remote Home Monitor Night Vision Intercom Phone No Batteries

Features: 1. Real-time monitoring: Even when you are out, you can actively wake up monitoring anytime and anywhere, and  you will not miss any pictures. 2. Long-distance signal transmission: Guests can make video and voice calls and make short-term video recordings. WIFI connects multiple users and watch online at the same time. 3. 166-degree viewing range: The corners of the door, courtyard, corridor, aisle, etc. are clear at a glance, without opening the door.  4. Strong penetrating power: Steel doors, wooden doors, brick walls, etc. can penetrate without hindrance, so you don't have to worry about not receiving signals and no sound. 5. APP control: No need for any complicated wiring and cumbersome settings, just one key to start the machine, download the APP, and follow the reminder to connect and use. Specifications: Model: M3 Power supply mode: 18650 power supply (not included) (compatible with AC12-24V) Power supply voltage: 5V Ringtone: English Power consumption: 1W Package Included: 1 PC * Video Doorbell Notes: 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.