Rising Tide Systems Kykeon 600 Watt LED Grow LightEfficiency equals cost savings Studies show that 60% of the cost of production of each indoor crop can be attributed to the electricity consumption of lighting and the cooling units. Rising Tide Systems Kykeon LED Specs: Input Voltage 100 240V AC Frequency Range 50 60Hz Power Consumption LED Lumens 81,851 lumens Lifespan 50,000 hours avg. Total Output 1234 mol s Photon Efficacy 2. 01 mol joule Coverage Area Veg 25 sqft Coverage Area Flower 16 sqft