Power Supply Type = A- Toroid, PhotoPeriod, DC output, E-IE, PhotoPeriod, AC
NOTE: The PhotoPeriod timer is a specialized lighting power-supply designed to protect the resiliency of plant life. Thebuilt-in PhotoEye timing sequence computer has 4 settings included. ADusk/Dawn setting, or one of three other settings where it turns on at dusk and shuts off 4, 6, or 8 hours later. Some plants need to have a sleep period without light, to stay strong.