Product size: 9.6*11.8*2.5cm/3.77 *4.64 * 0.98 inch(L*W*H) Weight: 115 g/ 4.06 oz Package: 1* TV Link Modulator 1*Manual 1*Power Line 1*Package Box 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: 10m Default Factory Settings: Channel 21 (471.25mhz), PAL/I/38KHz Power Consumption: USB5V @ 400mA Operating Temperature: 0 ~ + 40 HIGH QUALITYThis modulator adopt high quality material, sturdy and durable, and you can use for a long time.Simple appearance design, exquisite workmanship, making you fondle admiringly. ADJUSTABLE and OPTIONAL Designed with adjustable audio/video output level, and optional output channel.Audio/ video output level adjustable. RF outputs for use with SLX and TV-Links.UHF modulator -PAL/NTSC selectable. COMPATIBLE Compatible with set-top box and other A/V sources, more reliable to use.This IR Modulator designed to allow any HDMI source, convert to any RF TV channel of your choice. COST-EFFECTIVE Cost-effective networked digital AV to RF modulator. UHF modulator, PAL/NTSC optional, cost-effective for your own local CATV system.TM70 UHF TV LINK modulator AV to RF converter IR extender with channel display.