Arlo Pro 2 Wire-free HD Security Cameras have everything you need to keep an eye on the things you love from every angle, indoors or out. Arlo Pro 2 cameras are 1080p HD, weatherproof, have night vision, 2-way audio and best of all, run on batteries that are easily rechargeable. Arlo has everything it takes to make home security simple. Arlo Pro 2 comes with 7 days of free cloud recordings without a contract or a monthly fee, motion and sound activated alerts that are sent straight to your smartphone, and a 100-decibel smart siren that can be sounded using the Arlo app. Arlo covers every angle to help keep your home safe and secure.