Package contents: Comes with hand-held ring; Large enough quantity to meet your daily use and replacement, you can also share with your friends and family Suitable size: Each tachometer measures approximately 1.4 x 1.1 x 0.6 inches, This is the perfect size workout to take with you; You can take this lightweight and portable tachometer with you where and when you want.Easy to use: Manual counting counter with 5-digit screen display, counting range 00000-99999;Mechanically jumps with each press, pressing once counts once, then pressing the clear button easily resets to 0 and counts again: Additionally, the screen lights up when the LED button is pressedReliable and Sturdy Material: These resettable digital finger counters are mainly made of rubber, lightweight, durable and strong, comfortable to wear and have smooth rings; with proper use, they can be reused for a long time Wide Application: These 5-digit LED electronic finger counter is suitable for tracking sports competition scores, recording running laps, skipping ropes and shuttle kicks;These counters are widely used in ports, bus stations, schools, laboratories, competitions, sports venues, casinos, restaurants, bars, training events, etc.Record the number of running laps, rope skipping, and shuttle kicking;