The Powerball Counter's tachometer displays not only the instantaneous speed and highest rpm, but also the actual revolutions performed by the user within 30 seconds.
Original PowerBall Lightning Blue with built-in generator for light effect. With increasing speed the light effect becomes stronger. The light makes the whole fist appear glittering blue. No batteries required - power generation by own force.
Original PowerBall Lightning Red with built-in generator for light effect. With increasing speed the light effect becomes stronger. The light makes the whole fist appear glittering red. No batteries required - power generated by its own power.
Original PowerBall Max Red with tachometer and with built-in generator for light effect. With increasing speed the light effect becomes stronger. The light makes the whole fist appear glittering red
Original PowerBall Max Blue with tachometer and with built-in generator for light effect. With increasing speed the light effect becomes stronger. The light makes the whole fist appear glittering blue