Converting high-quality HDMI video signal, up to 1080pp (Does Not Support 3D) downscale to normal CVBS(AV) signal (standard-definition 480i, 576i), available for TV, VHS VCR, DVD recorders, etc. HDMI Input, Composite Video + Audio R/L Output (Does Not Support Reverse Way). Supports NTSC and PAL Two Standard TV Formats with a Select Switch. No Need to Install Drivers, Portable, Flexible, Plug and Play Self-powered By HDMI Port (USB Power is a backup power source and Not Required as most HDMI port can supply sufficient power) 1x USB Cable and 1x Extra HDMI Cable are included. Item Features: HDMI to Composite AV Video Adapter converts the high definition HDMI digital video and audio signal to analog composite video and R/L audio output. It can be used for typical HD video sources, such as Laptop, Smartphone, Blu-ray Player, HD TV box, and Digital Media Receiver, etc. to a display with CVBS input, such as traditional CRT TV, RPTV and projectors. Descriptions: Supports HDMI Input from Up to 1080pp (Does Not Support 3D) HDMI Input, Composite Video + Audio R/L Output (Does Not Support Reverse Way) Supports NTSC and PAL Two Standard TV Formats with a Select Switch Hardware Conversion , Plug and Play without Any Software Driver Signals through the HDMI High-definition Video Processing Downscale to 576i, 480i (PAL / NTSC) Video Signal Output With Advanced Video Processing Chip, for Better Compatibility and Image Quality Self-powered By HDMI Port (USB Power is a backup power source and Not Required as most HDMI port can supply sufficient power) Specifications: Compatible with HDMI 1.3 Support NTSC and PAL Two Standard TV Formats Inputs: HDMI x 1 Outputs: AV x 1; L / R x 1 HDMI Input: 480P, 576P, 720P, 1080I, 1080P @ 60Hz CVBS Output: 480i, 576i Dimensions : 55mm(W)x66mm(D)x 20mm(H) PAL and NTSC Standard Format Selector Switch Package Includes: 1x HDMI to AV Converter 1x HDMI Cable 1x USB Power Cable (backup power source only) 1x User Manual *Computer and Other Digital Accessories in the listing are Not included.