This analog programmable timer is perfect for all hydroponic system. Whether you need to control your Lighting, Fans, Pumps, or any other aspect of your grow, this timer is the correct choice. The timer has 96 individual on/off time settings in 15 minute increments. These settings can be configured in any sequence to allow for maximum flexibility. A maximum of 15 Amps of power can be put on the timer, allowing for even a 1000W bulb to be used! A one year warranty is included with all timers.