... bulbs are covered by transparent cap, waterproof for outdoor use,lights are not replaceable,the item is with CE, ROHS, GS ... 24V, 100V-130V, 220V-240V4.indoor and outdoor use, waterproof with IP445.wire colors: green, dark green, white, transparent, PVC ... multicolors are available, pls see bellow photos: LED bulbs with transparent cap for waterproofred color Blue color white color, the lights chains ...