... 260V,50/60Hz,applicable for most countries;2.High reliable constant current driving guarantees long ... life span of the lamp beads;3.Environment friendly, no flashing, no UV ... over 40,000 hours by normal use, 20 times to traditional energy-saving, 6.Widely used in hall ... Environment parameterEnvironment humidity0~85%RHStorage Temp.-40°~+80°Operating Temp.-20°~+50°StructureDimensionsL600*D26mmL900* ...