[Practical]: RF modulator for your own local CATV system. You'll get added advantages and convenience while saving a lot of money.[Stable Performance]: VHF operating frequency for PLL control, HD input, A/V output, RF output. Selectable output channels.[Easy to use]: The RF coaxial converter supports NTSC TV format output, no driver installation required, portable, flexible, plug-and-play.[Simple Appearance] The VHF demodulation converter has a personalized design and exquisite workmanship that you 't be to put down.[High Quality Material] The RF modulator is made of high quality plastic material, which is strong, durable and has a long service life. Professionally manufactured, with stable characteristics and high reliability.Colour:white+blue+silverMaterial:plasticPackage Contents:1 x ModulatorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.