The Hunter Pro-C 4 Zone Indoor/Outdoor Modular Controller PC-400 is a versatile sprinkler controller designed for both indoor and outdoor use. With a sleek gray color and a rotary knob control style, this controller offers up to 6 hours of watering duration and 12 zones for customizable watering schedules. Featuring a corded power source, this controller from Hunter is a reliable and efficient choice for managing your home and garden watering needs. This item is sold as-is and was working when last used. Please note this device does not have a lock and key.