High definition clear video with 120° 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 two-way calls, photos, recording, caring for your family makes you more secure Equipped infrared night vision, automatically open at night Built in 800MAH high-capacity battery , combined with low-power design, the endurance capacity is greatly improved, saying goodbye to frequent battery replacement The doorbell can be controlled by APP, automatical work model, intelligent and portable.Portable in size and weight, convenient to install and remove (Support 2.4G WIFI,NOT support 5G WIFI)