Rechargeable Finger Counter, IPX8 Waterproof Lap Counter, Silent 6 Channel Digital Counter with LED for Prayer, Swimming, Knitting, Gift Rechargeable - The counter features a built-in rechargeable battery, eliminating the need for replacements and reducing mechanical issues. It provides up to three months of use on a single charge. Waterproof - Rated IPX8 waterproof. The outer shell is made of high-quality ABS material with a premium sandy texture. The adjustable silicone band offers a comfortable fit and secure wear. Powerful - Equipped with silent, durable buttons. Six independent channels allow tracking of different counts, each with a range from 0 to 999,999. Supports reverse counting display. Full-screen LED backlight enables visibility in low-light conditions. Versatile Use - Ideal for counting tasks in various activities such as fitness, sports scoring, knitting, crocheting, classroom use, laboratory work, golf, aviation, and prayer. Suitable for use in schools, labs, pools, and more.