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 , and you can use for a long time. Item Type: Modulator Condition: 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℃ Color: Black Material: plastic Package Contents: 1 * AV TO 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.