1080P HD Digital Wireless Camera & Stable Signal Enjoy crystal-clear 1080P images with our digital wireless backup camera system. Designed for RVs, trucks, trailers, and campers up to 60ft, it delivers a stable signal up to 980ft in open areas with no interference, ensuring safe reversing every time. Expandable System Supports 4 Cameras The 7 HD monitor supports up to 4 wireless cameras with multiple viewing modes: single, split, or quad view. This kit includes 1 camera (extra cameras sold separately: model YW-AHD0628 or search B094D2KZ39). Perfect for monitoring blind spots and trailers.