Features: 4 AV audio and video inputs, two of which contain S-video output, and one audio and video output. One of the signal outputs can be switched at will. This switcher is especially suitable for friends who have multiple AV output devices (VCD, DVD, graphics cards, camcorders, video recorders, game consoles, set-top boxes, etc.), but TV and other AV receiving devices have limited or insufficient interfaces. The 4 channels of AV signals can be selectively switched and output through this switcher, and the AV input of a variety of audio-visual equipment can be switched. It's very convenient and saves you the trouble of frequently plugging in and out the AV cable. High isolation, output signal is not distorted, does not interfere with each other. Light weight, portable size, easy to carry, easy installation and operation. Specifications: Material:Plastic Size:Approx.3018080mm/1.18x7.09x3.15in Net Weight:250g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Set RCA Switch Box