The ManualTrak ™ system is designed for small to mid-sized pools and features a low-profile track mounted to two sides of the deck. The cover is retracted with a "hand crank" and extended over the pool by pulling a rope tether connected to a handle. Designed to be easily upgraded or “converted” to a PowerTrak ™ (a semi-automatic pool cover system) or the Infinity 4000 ™, the most state of the art automatic pool cover in the world.