Parameters:

1. Rotating cycle: Forward 8s, stop 1s, then reverse rolling 8s. Stop when preset time ran out.

2. Time range: 1-30 minutes, time counting LED display.

3. Loading gear: 10-16cm, adjust to fit different tank length.

4. Rotating gear: 4 pieces pack with a green rubber ring, which is slip-proof, and each 2 rings belong to the same side distance adjustable, to accommodate different tanks. It is suggested that 2 sides rubber ring position should be staggered, it will allow the chemical rinses more evenly.

5. Size: 26.7x11.5cm/10.51x4.52 inches.

6. The head side is LED display, the end side is the opposite.