When you need quality surveillance, the WD ReadyView Surveillance System is the mobile-first, all-in-one solution with a simple NVR device setup. This complete system includes four UltraHD, dust- and water-resistant cameras with night vision and motion detection, the award-winning WD Purple drive storage that's designed for 24/7 always-on surveillance recording, and no monthly fees. After Cat 5 wiring and cameras are installed Cameras can be submerged in up to 1 meter of water for up to 30 minutes