Features: Wireless connection: No need for complicated wiring, the doorbell connects wirelessly to your home network. /bull; Night vision: With high-quality night vision technology, the doorbell can capture clear pictures even in low-light conditions. /bull; Two-way intercom: The doorbell is equipped with a built-in intercom system, allowing you to communicate with visitors before opening the door. /bull; Voice change: The doorbell has a voice change function that allows you to customize the doorbell/39;s greeting. / Video call: Easily deal with visiting guests, when someone presses the doorbell, the doorbell will push a notification to the mobile phone, and the owner can enter the mobile phone video call interface. Support 2.4GHz WIFI and APP connection, 480P high resolution, presenting you with clear pictures and videos. / Two-way audio: Built-in microphone, when the doorbell is pressed, you can see visitors and talk to them anytime, anywhere. / Long standby: Built-in high-capacity battery, long standby, no need to charge frequently. The battery is a rechargeable battery, when the battery is out of power, it can be charged repeatedly / Portable installation: Can be pasted and punched. Support back adhesive, no need to punch holes, and support punching installation at the same time. No need to plug in, convenient and worry-free. /Take pictures: Store to the cloud, safe and drip-proof. When a visitor rings the doorbell, it can capture the visitor/39;s photo and save the record to the cloud, so the mobile phone app can view past photos at any time, safer and more reliable /Night vision: Built-in infrared LED light, clear images during the day and at night. It can also automatically switch from day mode to night mode when the ambient light drops to 2 lux.