Smart Doorbell,Wireless Remote Video Doorbell Intelligent Visual Doorbell Home Intercom HD Night Vision Wifi Rechargeable Security Door Doorbell Features:High definition clear video with 130 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 securesupport 2.4G WIFI (Not support 5G Wifi)Disassembly free cycle charging, built in 400MAH lithium ion high capacity battery, more than 6 months of normal use,Charging time 1.5 hoursEquipped infrared night vision, automatically open at nightTwo way audio: communicate with visitors through two way audio,With noise cancellation microphone. It is weather,You can monitor your front door by watching real time videoEasy installation: download the APP and connect it to the doorbell. No wires and cables are required.No matter where you are, You can the informationThere are no restrictions on using a smartphone to enter the doorbell.So you can let the whole family supervise your homeThe doorbell can be controlled by APP, automatical work model, intelligent and portable.Portable in size and weight, convenient to install Product parameters:Product Name: smart doorbellColor:blackMain control model: bk7252Sensor model: gc0328 Photosensitive: supportAudio input: 1 channelAudio output: 1 channelInfrared drive: max. 50mA2 indicators: equipment status indicator and charging indicatorBattery interface: 1 wayCharging power supply: 5VVideo coding standard: M jepgDay night switching mode: automaticVideo preview: support, 1 way P2PSound acquisition: supportVideo transmission encryption: support Dingdong RF Code: EV1527Infrared lamp control: automatic, sensitivity levelAdjustWavelength of infrared lamp: 850nmDistribution mode: Bluetooth distributionConnection mode: 2.4GHz, WiFiPower supply mode: battery power supplyBattery capacity: 400mah Battery power detection support, voltage is lower than 3.4V, unable to wake upFirmware upgrade supports remote upgradeOperating temperature: - 10 ~ 45 Working humidity 95%Package size:13x8x6cm/ 5.1x3.15x2.36 inchGross weight: 182g/ 0.4 lb Package Includes:1 x Doorbell Machine1 x Internal ding dong Machine1 x Charging cable1 x Adhesive installation aid1 x Manual",