1,Modulator: UHF modulator, PAL / NTSC optional, convenient for your local CATV system. 2,Convenient: The modulator of this compact device allowed the connection of audio / video components, especially televisions without audio and video jacks. 3,Audio and Video to RF converter: AV to RF converter compatible with set top boxes and other A / V sources, more reliable to use. 4,Special Design: Audio and Video to RF converter designed with adjustable audio / video output level and optional output channel. 5,Good Performance: Simple looking design, exquisite workmanship, making you caress with admiration. 6,Applicable: This Audio and Video to RF UHF modulator is perfect for DVD players, games, digital. 7,Durable: The TVmodulator adopts material, sturdy and durable, and you can use it for a long time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.