High definition clear video with 65° viewing angle, display the details in front of your door,reliable 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 for your family makes you more secureDisassembly free cycle charging, built-in 800MAH lithium ion 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 removeProduct Name: Visual Intelligent doorbellMaterial: abs, pcba, polymer battery, speaker, camera, hardwareColour: WhiteBattery capacity: 800mahPower input: 5v = 2aUsage time: more than 6 months of normal useCharging time: 1.5 hours,Lead time: more than 1 yearsRecord preservation: free three days permanent bearing storage, unlimited times for 3 daysType 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)Bell machine weight: 65.7g /0.14 lbsDingdong machine net weight: 23.3g /0.05 lbsPackage size:14.5x10x3.5cm/5.7x3.93x1.37 inchGross weight: 135g/0.29 lbs1 x Doorbell Machine1 x Internal ding-dong Machine1 x Charging cable1 x Adhesive installation aid1 x Small screws1 x Manual