to RCA Adapter: Convert signal to RCA signal, very suitable for connecting to older RCA (AV/ composite video and L / R stereo audio signals) old TV to AV support 1.3, input resolution up to 1080P@30Hz input is compatible with for streaming sticks, , TV, DVD, PC, Blu-ray players, HD boxes, etc. RCA output is compatible with old TVs, monitors or projectors that support RCA output, etc to Composite Please set to NTSC format when use it in USA Please note: It NOT support 4K and 3D(such as ). Cannot be used in reverse (cannot be used as an AV to converter)size:7x4x1.3cmMaterial:ABScolour:blackPackage Contents:1 * Host1 * USB cable1 * English manualOnly the above package content, other products are not included.Note: Light 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.