The Apollo 10 240Volt/24 hour programmable timer is the perfect timing solution for your hydroponic systems. With a 10 amp capacity, it's easy to set to run your lights, pumps, fans, etc. The Apollo 10 has 96 non-detachable 15 minute trippers and can be configured in numerous timing schedules for any timing configuration that the grower may require. Flexible, dependable and easy to use!