The Grow1 - Digital programmable timer is the perfect timing solution for your hydro systems. With a 15 amp capacity, it’s easy to set to run your lights, pumps, fans, etc. The Grow1 light timer for indoor lighting has 1 second on & off intervals and can be configured in numerous timing schedules to meet the most demanding timing requirements. - One (1) outlet. - 1 second intervals. - Heavy duty construction. - Easy to use & simple to operate. - Plastic enclosure resists dust and moisture. - Runs lights, pumps, fans, etc. - 15 Amps/120 Volts/60 Hz./1725 Watts. - 1 year warranty.