Product review (3 stars): 6 inch range
The range of this device is only 18 inches and really only works in a range of about 6 inches.
It has to be right in front of the device you want to control and lined up with the IR input.
IE if you have it too close to the front the angle could be too steep for the signal.
It is way too picky about its placement.

Also directions seem to be lacking. It is designed to be placed on the shelf in front of a single device you wish to control.
It's range is too short for anything else.

Conclusion:
Has to be within 6 inches of the front yet has to be about 3 inches away in order not to have too steep an angle.

This is the compatibility list for TVs:
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