Very sleek, small, efficient, and cost effective way to display your RCA/DVD/VCR/Game exclusive devices on regular or older televisions, record with VCR or DVD Recorders, or play in car/boat entertainment systems that use Coax / RF connections Works straight out of the box, is easy to hook up, and comes with all necessary cables -- just plug and play Wall-powered, compact and lightweight RF Modulator Supports Channel 3 and Channel 4, NTSC Includes Converter, Power Adapter, and RCA/Composite AV Cable THE CIMPLE CO, A Family Company located in the USA, is proud to offer this RCA Composite to Coaxial Channel 3 / Channel 4 RF Modulator SD converter kit. This compact device allows connection of an audio/video component, especially a TV that's not equipped with an audio video jack to any existing Xbox, PS4, PS3, PC, Laptop, TV, DIRECTV, Satellite Dish, Comcast, Cable, CATV, STB, VHS, VCR, Camera, DVD, Blu-ray Player, or most any other RCA device. It can even be cascaded and used with our HDMI to AV converter, to convert an HDMI signal down to a coaxial signal. It's ideal for DVD players, gaming, digital cameras, or camcorders and mounts easily to a wall. No flipping through the remote as this component automatically switches when it detects an incoming video source. Supports RCA / CVBS / Composite / A/V inputs from 480i to 480p. Please Note, this converter does NOT support HD, 3D, or 4K. Input ports: 1 of RCA. -Please note that this unit automatically powers up when signal is present. Power ports: 1 of Jack for included A/C power adapter/transformer. Output ports: 1 of Coaxial (RF) Signal/Connection. Package Contents: 1 of Main unit (RCA to RF Modulator / Converter); 1 of A/C Wall Plug Power Adapter; 1 of RCA Cable ~5 feet; 1 of User Manual. Please Make sure to connect the power cord to A/C power and ensure that the signal is coming FROM an RCA device TO a Coax / RF Device (it does not work in reverse).