NOTE: This is the OLD Style BiOrb LED light. It does NOT have the round connector for the power supply. Compatible with ALL BiOrb 30 Liter Classic and 60 Liter Classic Aquariums. The BiOrb Standard LED Light, Large, illuminates your BiOrb with bright white LEDs that are suitable for 50,000 hours of lighting. Long life LEDs means that there are no bulbs to change and for your peace of mind, the light is low voltage. Can be used to replace the BiOrb Halogen Light. Does NOT include the Transformer. It uses the same Transformer that runs the Halogen Light.