[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. [ Material] The RF modulator is made of plastic material, which is strong, durable and has a long service life. Professionally manufactured, with stable characteristics and high reliability. Colour:white+blue+silver Material:plastic Package Contents: 1 x Modulator Only 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. 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.