Here for sale today is the HDMI switch gets power from input HD devices to work ,
if your input device cannot provide enough power ,
especially some SKY box models ,
you might need to keep other devices on to obtain enough power or use a 5V1A / 5V2A power adapter.
Product Description :
The 5 port Smart HDMI switch /Hub comes with iR reomote control ,
which will allow you select input HD source conveniently ,
No need to click the slect button on the switch maually ,
it receives signals from up to 5 HD sources to ONE display ,
such as : PS3 / Xbox 360 (slim) / Sky HD / Freesat HD / Virgin / Bluray player
/ DVD / HD Camcorder / HTPC / Laptop , Apple TV etc.