The Cold Nation Ice Defense Pro Series allows you to fish longer without having to worry about your hole freezing up. How it works is the Cold Nation Ice Defense Pro Series slowly pulls warmer water up to the surface keeping your hole circulated and free from ice build up in temperatures as low as -20 degrees! Mounts directly to any 12 volt sonar/flasher or camera systems available, Including a direct connect to the systems battery supply. Controllability - water flow control to stand up against Mother Nature's worst hard water conditions. Quickly connects to transducer line for portability and convenience. Draws minimal battery power to keep you on the ice longer. Sleek design to pair and store with any system. Use primarily for active hole hopping or bucket style fishing. Wheel houses / permanent shanty's benefit too. Includes: Quick Connect Battery Terminal Adapter Multi-Connect Terminal Fasteners Quick Connect Transducer Line Clip Universal Velcro Strap Nylon Carrying Case Cold Nation Decal