Usage Tips:Smart Doorbell Smart Wireless Remote Video Doorbell Intelligent Visual Doorbell PIR Motion Detection Home Intercom HD Night Vision Wifi Security Door Doorbell Feature: High definition clear video with 90 viewing angle, display the details in front of your door,reliable and practical WIFI connection, no wire needs, achieve a two way intercoms between the doorbell and mobile phone.Real-time mobile phone, support Single-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 1500MAH lithium high-capacity battery, more than 6 months of normal use,Charging time 1.5 hours Equipped infrared night vision, automatically open at night Two-way audio: communicate with visitors through single-way audio,With noise cancellation microphone. It is weather resistantce,You can monitor your front door by watching real-time video Easy installation: download the APP and connect it to the doorbell. No wires and cables are required.No matter where you are, You can the information There are no restrictions on using a smartphone to enter the doorbell.So you can let the whole family supervise your home The doorbell can be controlled by APP, automatical work model, intelligent and portable.Portable in size and weight, convenient to install and disassembly Product parameters: Product name: intelligent visual doorbell Recording resolution: 720P Viewing angle: 90 Audio information: built-in speaker, microphone WIFI mode: 2.4GHz 802.11b/g Night vision type: infrared night vision Power supply information: DC5V/2A Operating temperature: - 10 ~60 Operating humidity: 10%~90% Doorbell size:11.3x5.3x2.6cm/ 4.44x2.08x1.02 inch Product weight:80g/ 0.176 lb The Package Include: 1 x Doorbell Machine(buit in 1500mAh lithium battery) 1 x Internal ding-dong Machine 1 x Charging cable 1 x Adhesive 1 x Manual