Ideal for TV's with Limited HDMI ports, this selector simply plugs into a single HDMI port to connect up to 3 HDMI devices to your television such as gaming consoles, satellite /Cable & set top boxes, DVD & Blu-Ray players and/Laptops. A Remote is also included for operating the device from a distance Please note that this product does not include a 5V DC power supply. The unit is able to function without the power supply What's in the box 1xUltra Link HDMI 3 Way Switch