Proform 69597 Variable Speed Controller Features:

• Dual Operating Modes:
  • Temperature Mode: to maintain a user-set engine temperature
  • Percentage Mode: lets you set a fixed fan speed regardless of temperature
• Supports one or two brushless fans—offers flexibility for single-fan or twin-fan radiator setups
• Included sensors: both a 3/8 in. NPT thread-in sensor and a push-in core probe to suit different mounting needs
• Compact size makes it easy to install in tight engine bay locations
• Bright digital display facilitates easy adjustments and monitoring of fan behavior
• Designed for 12-volt systems
• Durable construction built for performance use—handles the demands of custom radiator setups and high-heat environments. (inferred from application & design)