The Apollo 18 Two Outlet Dual Schedule Digital Timer has two separate timing schedules and can operate two different appliances simultaneously. The Apollo 18 Two Outlet Dual Schedule Digital Timer features 8 timing schedules per total day and the enclosure resists dust, rust and moisture in the garden environment. This precision digital timer provides the grower with the perfect timing solution to operate lighting, cloning machines, CO2 systems, pumps, fans or other 120 volt appliances. 120 Volts/15 Amps/60 Hz. If you need assistance in determining if this device is right for your set up give us a call and we will be happy to assist you!