... qty, 31pcs 3W 4.life:50000hours LED crystal stair handrail column / LED Garden Crystal Light / LED Color crystal lampApply to :Stair railing, garden ... energy-saving feature. 3.This product is used latest LED Technology,the potential using time is 50,000 hours ... , home, office, bar KTV, cafes, and entertainment area. LED crystal stair handrail column / LED Garden Crystal Light / LED Color crystal lamp