high bay induction lamp: 1. Extra-long lifespan:100,000hrs 2. High light efficacy 3. High color ... /200W donut-shaped induction lamps, traits are high lighting efficacy, long lifetime, high CRI, better lighting, constant wattage, etc. Model No ... , shopping malls, etc. Advantage of our induction lamp:1.Ultra-long lifetime: 100,000 hrs, a five-year warranty, virtually maintenance ...