This lamp can replace (CFL) lamp, and it can save more than rate 60% of energy consumption. use in light fixtures, it has a lifespan many times longer than equivalent incandescent lamps. Application: Hotel, Hospital, Office, School, Supermarket, Restaurant, Government Institution, Showroom, etc. Not suitable for dimming, electronic switches, photocell timing devices and dusk to down sensors. Not suitable for use in fully closed luminaire. Please pay attention that the increased weight of lamp may reduce the mechanical stability of the certain luminaries, may impair contact making and lamp retention.