Blink Outdoor 4 XR — 4-Camera Wireless Security Kit
Extended-range, battery-powered 4-camera security system with Sync Module XR for faster live view and up to two-year battery life.
Blink Video Doorbell + Outdoor 4 XR Review
In-depth review of Blink Video Doorbell + Outdoor 4 XR — two-year battery, extended 400 ft range, 1080p HD, night vision, Sync Module XR included.