5w LED Bulb lamp No glare,no dark space High bright,Low decay Long lifespan CE/ROHS/ ... thermal management.3. Instant on, no warm up time required.4. No noise, no flickering,no dark space5. No UV or IR radiation in the ... :replace all the traditional incandescent lamp in office buildings, stores, supermarkets, schools, hospitals, hotel, car parks, factory floor, municipal engineering, home or ...