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A quick test confirms that this works somewhat ... On, Off. Further experiment reveals that it works reliably only up to about eight feet (between transmitter and receiver). At that, the transmitter needs to be carefully aimed toward the receiver. At ten feet, operation is starting to be unreliable. At eleven feet, it doesn't work at all. This is MUCH SHORTER distance than the 8m (26 feet) claimed in the listing. I guess if you need to control something only six or eight feet away, this would be OK. Frankly, if I were controlling something that close, I'd just walk over and flip the switch on the device. If you're bedridden or in a wheelchair, this might have some useful application. I have not tested this through glass (to simulate using it through a windshield, for example). I would think the reflections from the glass would reduce the range even more. And if the glass has an anti-IR layer (like some windshields, to reduce heat from sunlight in the vehicle) then it might not work at all in that situation. Given the initial short range, I think this would be quite useless from inside a car to outside (e.g. for a garage door). I give this a qualified recommendation because it does work. It's a "good value" only because I paid less than $4.00. I guess it's a miracle that it works at all ... but only a small miracle. With a range of only 8 feet, this will not work where I intended to use it. I said "no" to good quality, because the range is so much shorter than advertised. Also, out of the package I immediately noticed that the IR detector was leaning about 15º to the left. Not leaning forward / backward simply because the leads were bent. Leaning to the left, because it was badly soldered into the board. Of course this would have no effect on operation, but it made the thing look pretty shoddy. After conducting the above tests, I was able to re-solder the detector and get it upright, so the board at least looks like it was made by someone competent. My main disappointment is that the range is so short. If the listing had said "8 feet" to begin with, I never would have ordered it. All in all, it's the price of a burger at Wendy's. Can't expect greatness for $4.00. Meh.Read full review
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send instuctions on how to hook it up and make it work
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