... spectrum continuous band sourcel Energy conservation high light LED cold light source, the light field is stable and non-twinklingl ... adapter, normal working voltage: 100V-240VEnergy-saving high light LED cold light source, long life, Color Temperature: 6500+-500K, ... be used for putting Hearts&Arrows Scope, Gem Loupe, Wide-mouth Bottle, Tweezer, etc. Diamond color grading Light, LED light source