Optional 24/7 Emergency Response Service - YI’s motion alerts and live video feeds are now equipped with the option to instantly involve Noon light's Certified Emergency Dispatchers, who coordinate with police, fire, and EMS agencies on customers’ behalf to ensure the situation is promptly handled. | Full HD video quality - high resolution Images in 1080P resolution, combined with a 110° lens and Universal ball mount delivers clarity in every direction | Weather-resistant - outdoor cameras are waterproof, so you can use them for outdoor and indoor. Motion-activated alerts/ app notifications right to your phone when movements detected | First-class night vision - 12 infrared LED Beads provides a night time viewing distance of up to 50 feet, ensuring excellent low light performance | 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 | YI cloud with 1-month free trial - provide the most efficient compression and the highest protection of data to ensure all your videos are safe and protected, avoiding the risk of losing footage from a SD card | Note Please: the camera may not work properly if using USB extension cord, please use a standard extension cord to power the camera.