If you purchase these water guns and you are unsatisfied, I will personally guarantee your purchase. You simply need to track me down to claim your money. I will be armed with the Spyra 3 and you will not get anywhere close to my front door. You will be soaking wet within 30 ft of my property. I will be ridiculously accurate and I would highly suggest that you wear goggles. Wear a bathing suit. Good luck.