The VideoSecu IRW242 wireless security system is affordable surveillance solution for easy installation, include two IR audio wireless cameras can be installed indoor or outdoor, wherever you need to keep an eye on your family or property. The 4 channel receiver can switch views between two cameras. The advantage of this kit is camera to receiver connection use 2.4GHz wireless transmission; no cables are used between the camera & receiver. Connect the receiver to your existing TV, VCR or Digital Video Recorder. Fast and easy install with low cost. Interference occurs when an unwanted signal is received by this the wireless system, please be aware: interference prevents the camera from having a clear signal reception. Other electronics can cause interference, and tracking the source that causes the disturbance is difficult. While interference is annoying, it will not damage the security wireless camera. If you need an inexpensive, quick video monitoring solution, and can live with annoying interference, this kit may work for you. If you need a clear and stable image, do not purchase the wireless video camera, we recommend you purchase our wired CCD cameras, cable and accessories. Please note this kit may interfere with wireless devices or phones on the 2.4 GHz frequency, this is common to all wireless cameras. Do not purchase it for your mission-critical applications; do not buy if you cannot tolerate Strong static interference, large horizontal lines rolling upward, an increased noise level, and unsteady pictures the wireless camera system can produce. Package included: 2 x IR CMOS Camera with built in transmitter, 1 x Wireless Receiver, 3 x Power Supplies (2 for Camera, 1 for Receiver), 1 RCA Jack Video/Audio Cable.