Stay on time with Grow1 dual outlet mechanical timers. With a 15 Amp maximum load and 2 outlets these timers can handle most of your high amperage devices from Ballast's, fans, air conditioners and many other commonly used grow room gear. Set the timer with ease using 15 minute increment prongs and a convenient on/off indicator light. With the simple flip of a switch the timer can also be bypassed for continuous use. These timers are UL approved and ready to keep your grow room time! 15 minute on/off increments. 15 amp maximum load. 120V. UL approved.