Rechargeable Finger Counter, IPX8 Waterproof Lap Counter, Silent 6 Channel Digital Counter with LED for Prayer, Swimming, Knitting, Gift Rechargeable - The new counter has a built-in rechargeable battery, no need to replace the battery, and no mechanical defects. It can be used for up to 3 months on a single charge. Waterproof - Rated IPX8 waterproof. The shell is made of high-quality ABS with a smooth sandy texture. The silicone ring is adjustable, comfortable to wear, and secure during use. Powerful - Features silent keys with a long service life. Six channels allow tracking of different counts, each with a range from 0 to 999999. Supports reverse counting display. Full-screen LED backlight enables visibility in low-light conditions. Wide Range of Uses - Ideal for counting in various activities such as fitness, sports, crafting, knitting, crocheting, classroom tasks, lab work, golf, aviation, and prayer. Suitable for use in schools, laboratories, gyms, and outdoor environments. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 208 hours Hope you have a pleasant shopping experience!