Visual intelligent doorbell: High-definition clear video, two-way talk, showing the details in front of the door, reliable and practical. Built-in high-sensitivity microphone, clear dialogue.Two-way intercom: WIFI connection, no wires, to achieve two-way conversation between doorbell and mobile phone. Two-way voice intercom with Ech-o cancellation function. Real-time mobile phone, supporting two-way calls, taking photos and recording, caring makes you feel more secure.Fast charging: The smart doorbell can work more than 4 months, comes with an innovative quick-release rechargeable battery pack, higher performance, Charging time is1.5 hours.Infrared night vision: IR Night Vision - Day or night, rain or , it allows you to take photography and record videos at any time. Our doorbll your home in real-time, no matter where you are.Easy to carry: The doorbell can be controlled by APP, which is smart and portable. Small size, light weight and easy installation and disassembly.Product Name:Visual Intelligent doorbellPower input:5v = 2aCharging time:1.5 hours,Record preservation:free three permanent bearing storage, for 3 Type of intercom:visual colorCamera resolution:480x640Colour:WhiteMaterial:ABSPackage Contents:1 x Doorbell Machine1 x Internal ding- Machine1 x Usb cableOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.