... size:0.5mm bulb size: 5mm 20L white bulb led lighting with ornament,holiday decoration, led light chainwire size:0.5mmbulb size: 5mmtransformer:24V ... distance: 18cm Different bulbs are available:mini bulb, rice bulb, LED bulbDiffernet bulb colors are available:white, warm-white, red, blue ... . Our products have gained certificates of CE, GS, CB, BS and ROHS from institutions of TUV, ITS, SLG ...