MADV Smart Video Doorbell, 2K Resolution, Night Vision, Two-Way Audio, Motion Detection, Voice Changing Answering, Cloud Storage, Free Chime, Instant Installation

• 2K HD Imaging : MADV video doorbell’s 2K resolution ensures full and clear view of every moment under any lighting condition in front of your door.
• Instant Communication : Listen, see, and speak directly with every visitor via clear two-way audio or use voice change feature when you don’t want to be recognized.
• Anti-Theft Protection : Built-in burglar alarm and secure account system will push a notification and sound the alarm when someone trying to remove the doorbell.
• Secure Cloud Storage : Capture every moment with the motion detection and review at any time so you won’t miss a thing.
• Free Smart Chime Included : Provides fourteen different special and fascinating ringtones and adjustable volume levels so that you can hear every knock..Mi Home System : Connect with Mi Home App to check all your recent footage so you can stay connected.

Battery 🔋 When fully charged, The camera can shot 20 videos everyday and last for 3 month; 3700mAH Lithium Ion; Built-in and rechargeable; Can use the battery or wired-power. Viewing Angle 📷 145° Video Resolution 🎥 2304 x 1296 (2K) Night Vision 6 x 850nm infrared lights Audio System Two-way voice Storage Cloud Operating Temperature 0°C to 45°C 32°F to 113°F Compatible with Android 4.4 & iOS 9.0 or above Wireless Connectivity Wi-Fi IEEE 802.11 b/g/n 2.4 GHz, RF 433 MHz