Rechargeable Finger Counter, IPX8 Waterproof Lap Counter, Silent 6 Channel Digital Counter with LED for Prayer, Swimming, Knitting The counter features a built-in rechargeable battery, eliminating the need for replacements and reducing mechanical failure risks. It offers up to three months of use on a single charge. With an IPX8 waterproof rating, it is suitable for use in wet environments. The device has a durable ABS shell with a textured finish and includes an adjustable silicone ring for secure and comfortable wear. Equipped with silent buttons and a long-lasting design, it supports six independent counting channels, each with a range from 0 to 999,999. It also supports reverse counting display. The full-screen LED backlight ensures visibility in low-light conditions. Ideal for various activities requiring accurate counting, such as sports, exercise, crafting, knitting, crocheting, classroom use, lab work, golf, and prayer sessions. Suitable for use in diverse settings including schools, laboratories, outdoor activities, and travel.