Feature:1. UHF modulator, PAL/NTSC optional, cost-effective for your own local CATV system. 2. Compatible with set-top box and other A/V sources, more reliable to use. 3. Designed with adjustable audio/video output level, and optional output channel. 4. Simple appearance design, exquisite workmanship, making you fondle admiringly. 5. Adopt high quality material, sturdy and durable, and you can use for a long time.Specification:Item Type: ModulatorCondition: 100% brand newMaterial: PlasticColor: BlackRated Voltage: USB5VRated Power: 1WRated Frequency: 50HzRemote Frequency: 38KHz/56KHzRemote Distance: 8mDefault Factory Settings: Channel 21 (471.25mhz), PAL/I/38KHzPower Consumption: USB5V / 400mAOperating Temperature: 0 ~ + 40Package List:1 x Modulator1 x USB Cable1 x Signal Receiving Cable1 x User Manual 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. Sold by-Dadangjia