Bought it new from Amazon. However, it appears to be used. There are two light green stains on the instruction sheet, and some one had written a date on the box. Put it together, filled it with water, and walked 80 ft, as instructed, but it can only spray less than 4 seconds. Tried it again, same. Tried it the third time, one of the wheel fell off. Pushed it back in, and same result. I am not sure if it is a defected unit, or just the way it is, but will not try it again. Good idea, but very poor performance. Practically useless. Luckily, Amazon is very good in their return policy.