Component AV Switch 3 in 1 out: This 3 In 1 Out RGB component Selector's 4 standards "Y-Pb/cd-Pr/cr, L-Audio-R", 3 in 1 out, supports resolution up to 1080P. If you own 1 TV Set but more than 1 audio and video device, this 3 Way (3 In 1 Out) component AV Switch is suitable for you Easy to Use/True Plug & Play: Pure hardware design, be plugged and unplugged easily. No extra power supply and software drivers are needed, just press the selection button on the component av switcher box to choose the av sources