The Blueprint Cycle Timer allows gardeners to control pumps, fans and other 120V devices using adjustable on/off cycles. Built-in photocell control permits day, night or 24-hour operation. Precise timer set-points facilitate an on time range of 15 seconds to 5 hours and an off time range of 15 seconds to 13 hours. The ETL-listed Cycle Timer is wall-mountable and comes with a three-year warranty.