Industrial and scientific professionals will LOVE the AOHUA waterproof electrical certification product .Based on my observations, this product is high quality and dependable. The waterproof feature ensures that the product will remain functioning in wet conditions. The product is easy to install and comes in two different sizes, 10mm and 15mm. The only downside is that the product may be slightly more expensive compared to other wiring and connecting products in the market. Nevertheless, the pros outweigh the cons, making it a highly recommendable buy for those in need of dependable wiring and connection solutions..