The Air King AKDT60 Delay Timer Switch turns your fan and light on simultaneously while offering an automatic delay timer that allows you to turn the light off while the fan continues to operate for an additional preset time before automatically turning off. The duration of operation time for the fan can be adjusted from 1 to 60-minutes. The switch measures 2-inches long by 1.81-inches wide by 4.13-inches high and is 120-volts. The Air King AKDT60 Delay Timer Switch comes with a 1-year limited warranty. Air King offers a full line of industrial grade and commercial grade air circulating fan solutions to meet almost any need you might have. Whether your need is in industrial settings such as manufacturing plants and warehouses or more commercial setting such as offices, schools or hospitals - Air King has the perfect solution for you. Powerful motors that last for years and years are what Air King"s Air Circulators have come to been know as and we are not stopping now.