The AAXA P4X comes with a typical 1 year limited parts and labor warranty. The battery warranty is 90 days.
One year is pretty much standard for pico projectors, although there are a few lower cost ones with only 90 day warranties.
Of course any projector with a 15,000 rated light source, is supposed to last many years. It would have been nice to see a warranty on the light source - such as 3 or 5 years. Don't blame AAXA though, I haven't seen anyone offer a really long warranty on an LED light source for a Pico projector although such warranties do exist on far more expensive home and business projectors.
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