YI Home Security Cameras 4pc and Outdoor Cameras 2pc...

Two-way audio – 360° noise-canceling hypersensitive microphone eliminates excess environmental noise for much clearer sound quality and allows you to communicate with welcomed guests, and deterrent alarm can get rid of unwanted guests.
Full HD video quality – Crystal clear 1080p images and video that in conjunction with the camera’s 110° lens and universal ball mount, provide high-resolution images in every direction. ·Weather-resistant – The YI Outdoor Security Cameras is waterproof, and can be used for both outdoor and indoor use. Motion-activated alerts/ app notifications sent right to your phone whenever motion is detected.
Cloud & Local Storage: Motion-triggered video clips will be safely stored on the Cloud for up to 30 days. For local storage, micro SD-cards up to 64GB are supported (micro SD-card not included).
Reliable Wi-Fi Connectivity – Access your camera with our mobile / PC APP anytime and anywhere, more flexible with Home/Away mode. Allows sharing your camera with up to 5 family members or friends, and view multiple cameras on a single account.