High definition clear video with 65 viewing angle, display the details in front of your door, and practicalWIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real-time mobile phone, support two-way calls, photos, recording, caring makes you more Disassembly free charging, built-in 800MAH lithium high-capacity battery, more than 6 months of normal use,Charging time 1.5 hoursEquipped infrared night vision, automatically open at nightThe doorbell can be controlled by APP, automatical work model, intelligent and portable.Portable in size and weight, convenient to install and removecolor: WhiteMaterial: PlasticProduct parameters:Product Name: Visual Intelligent doorbellBattery capacity: 800mahPower input: 5v = 2aUsage time: more than 6 months of normal useCharging time: 1.5 hoursRecord preservation: free three permanent storage, for 3 Type of intercom: visual colorCamera resolution: 480x640Doorbell machine size: 8x5.3x2.2cm/3.15x2.08x0.86 inchDingdong machine size:5.5x4.2x2.5cm/ 2.16x1.65x0.98 inch (including usb: 1.2cm/0.47 inch height) machine weight: 65.7g /0.14 LBDingdong machine net weight: 23.3g /0.05 LBPackage Contents:1 x Doorbell Machine1 x Internal ding- Machine1 x Charging cable1 x English manualOnly 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.