Parameters: 1. Four programs can be preset, P1/P2/P3/P4. 2. Rotation mode: scroll forward for 8 seconds, pause for 1 second, then scroll backward for 8 seconds until the preset time is exhausted and stop. 3. Time setting range (accurate to seconds): 1 second-30 minutes and 59 seconds, the LED on the panel will display the preset time. The maximum speed of the scroll axis is 280RPM (280 revolutions per minute), and it can be adjusted 20-280RPM at will. 4. Loading gear: 10-16cm, adjust to fit different tank length. 5. 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. 6. Size: 26.7x11.5cm/10.51x4.52 inches. 7. The head side is LED display, the end side is the opposite. Advantages: 1. Compare with manual one, an automatic rotation processor allows chemicals distributed in film more evenly, and save much chemicals. 2. Time adjustable, accommodating different requests. 3. Buzzer setting inside, once the time up, it will buzz to rising attention, free up time to complete more work. 4. The bottom of the end side has 2 screws, which allows height adjustment. When load a long length tank like 3/5 reels 120/135 tank, it may slip off. Problem can be solved in this way: dismount the end side loading gear, and raise by adjusting these two screws. Features: 1. Compatibility: All series tanks like Jobo 1505, 1510, 1520, 2520, 2509......; Osiris F1; AP; JC...... 2. Not compatible: Too big and too heavy tank, like Jobo tank 3010. Please confirm before place order. 3. Material: Anti-corrosive metal. Attention: Please do not soak the machine in water. PS: Power plug model will be sent according to buyer country's universal model, like UK, US, EU standard plug. The auction does not include tanks. Automatic Roller Extension RodLength: 25.7cm/10.12inch. Add extra length on the automatic roller to accommodate longer developing tanks. Please adjust the height of the end of the roller to avoid that tank weight not distribute evenly, result in tank fall off the roller. Package: 1x auto rotating base + 1x auto rotating base Extension rod