Package content: you will receive 2 black and white electronic counters, with portable rings.Size specification: the size of each counting lap counter is approximately 1.4 x 1.1 x 0.6 inches, which is the perfect size to carry around when exercising.Easy to use: The manual tally counter with on-screen display 5-digit display can count the number range from 00000 to 99999; Jumps mechanically with each press, press once to count once and press the clear button to easily reset to 0 and count again: in addition, the screen lights up when you press the LED buttonReliable Material: They are lightweight, durable and strong, comfortable to wear with smooth rings.Wide Applications: These 5 digit LED electronic finger counters are suitable for tracking scores in the sport, recording the number of racing laps, rope jumps and steering wheel strokes; These counters are widely applied in docks, bus stops, schools, laboratories, competitions, stadiums, casinos, restaurants, bars, training activities, etc.