... 6-8 hours. Hangrand's patent product: Led ice/beer bucket, Mainly for decoration use in disco, Kara. OK, night club ... , mercury free, no polluting materials in the process of using.d) Long life span of over 50,000 hours by normal ... , 20 times to traditional energy-saving lamps.e) LED ice bucket is a perfect decorative item for bar,club,KTV,hotel ...