What is the difference between IP67 and IP68? IP68, the first number 6 is mean that totally protected against dust. The second number 7 is mean that protected against the effect of immersion between 15cm and 1m. The IP68 waterproof rating is protected against long periods of immersion under pressure. Our products are IP68 waterproof design. Such as solar pool lights, waterproof LED ball and so on. Our factory in China, has a strong labor productivity. Our price is affordable and of good quality. Choose us, make you a big profit.