VOICE CONVERTER AND TWO WAY TALK: With the function of voice converter, it is suitable for the elderly, kids and women who are alone at home. With built in noise reduction microphone and speaker, you can make a real time video call with anyone in front of the camera in any situation. HD VIDEO, IR NIGHT VISION: Featuring a full HD 1920x1080 camera that supports IR night vision with a range of up to 33 feet, providing clear visibility even in complete darkness. The doorbell can protect your home from day to night. 3、PIR MOTION DETECTION: It has a built in PIR sensor that allows you to receive alerts and push notifications in real time. Avoid receiving frequently and unnecessary notifications with features such as 5 adjustable sensitivity levels, customizable motion zones, and a stable alert schedule. 2.4G 5G WIFI CONNECTION: The wireless doorbell camera supports high speed 5G WiFi network connection, which is more responsive. It also supports the function of waking up the device via