It has an outstanding Inforarot sensor: This is likely to be very sensitive, and even work on wall reflections. I got it as: placed behind a device, so that it points to the wall (but is a special beamer "canvas" -Wandfarbe). Remote control can be switched easily to the TV power button a Samsung Blu-ray player. During a conversion phase of the sensor pointed up at the ceiling. The remote control was Grade 2.5 meters at a 45 ° angle to it on the table: left turn on so well.