We produce wireless doorbell and home alarm system with high quality & very competitive price for 20 years in china; hope to find a way to cooperate with you. Main features: -the wifi-enabled video doorbell will make a video call once the button is pressed. -answer your door from select android and ios devices - anytime, anywhere. -automatically snap a picture once the button is pressed and the picture will be shown along with video call. -record calling history, inlcuding answered, delined and missed. -see your visitor — day or night, rain or shine. -two-way audio means you hear your visitor and they hear you. -speak to your visitor with your mobile device's microphone. -add multiple users to each device so everyone gets the call. -snap a picture or record a video stream directly to your device. -remote open the connected electronic lock from app.