FeaturesFull HD video with 170-degree viewing angleCompatible with iOS / Android2-way audio communicationIntelligently detects a person’s movementIncludes chime unitIntroducing the EZVIZ DB1C Smart Video Doorbell with Chime & Transformer Kit featuring AI Human Detection - EZVIZ’s Video Doorbell has a clear 1080p resolution camera and weatherproof casing for outdoor use. It’s 170-degree vertical viewing angle lets you see who’s there from head to toe and even talk to them when you are not home. Connect it to your smartphone via the EZVIZ app to keep your home safe. Professional installation recommended.