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: Modulator Condition: 100% brand new Material: Plastic Color: Black Rated Voltage: USB5V Rated Power: 1W Rated Frequency: 50Hz Remote Frequency: 38KHz/56KHz Remote Distance: 8m Default Factory Settings: Channel 21 (471.25mhz), PAL/I/38KHz Power Consumption: USB5V / 400mA Operating Temperature: 0 ~ + 40 Package List: 1 x Modulator 1 x USB Cable 1 x Signal Receiving Cable 1 x User Manual