Len Gordon 923065-001 Control, Len Gordon AS, 115v/230v, Time Clock w/Time DelayLen Gordon AS Series Air Control Simple on/off controls to fit all your air switch needs. Typical applications include any wet environments such as pools, jetted tubs, steam baths or water-intensive manufacturing processes. Control 1 piece of equipment using an air button at a distance of up to 150 feet depending on the button used. Features: Built-in 24 hour time clock 10 minute time delay auto shut off 115v/230v, Neutral required Operates 1 or 2 speed pump Air button sold seperately