The Strangko Controller is simply the best-designed, best built, most accurate controller you can buy, and it offers the largest number of pulsation ratios and speed combinations on the market.  Features include:

• Incremental Adjustment for 16 different ratio combinations from 70:30 to 50:50
• Individually Adjustable for Front & Rear
• Multi-Adjustable for Speed. Up to 60 pulses per minute in all ratios
• Heavy Duty clear plastic housing
• Self-diagnosing LED's—easy to see
• Automatic Electronic Short Circuit Protection
• Large Cooling Fins
• Easily Replaceable Circuit Board
• CSA—the mark of quality and safety

120 V Controller for 24 Pulsators Wt. 21 lbs.