Sorive Pack of 4 Assorted Color Handheld Tally Counter 4 Digit Display for Lap/Sport/Coach/School/Event SRI01821 ABS Plastic Casing No batteries required; counts up to 9,999 Instant reset knob and comfortable finger grip Lap and rep counter, ideal for a variety of athletic training activities Color:Red; Black; Yellow; Blue;Total 4pcs sport counters.