Features: Support visual intercom, IR night view, TF card record. Support up to 32G TF card storage(not included). Easy to install and use. Support picture snapping and video recording function. Support real time video and audio chat with visitor. Support WiFi connection, Android IOS APP remote control. HD 720P image quality, support night vision, camera view angle covers 166. Ultra-low power consumption, remote active wake up, quick start. Rainproof: Doorbell can be installed outdoors, do not worry about being drenched by rain. Last longer. Support mobile cruise, adding multiple users or sharing with family.