Our induction lamp is better than led lighting. Saving 30% energy with the same watts of led lighting. The span life is more than 10 years, 5 years of garantia. The watts is from 18w to 400w, and the light eficience is more than 80lm/w, color temprature is 2100k-6500k, the cri>80 (ra), it is better for the outside lighting, especially for street light, tunnel light, highbay light, flood light etc. 744x375x661mm