360 Degree g4 led light bulbs 1.10-30V DC 12V AC/DC ... commercial lighting.B.Generally matching in downlight,celling light,household lighting etc.C.Shoping,lighting,specialty lighting, ... hotel lighting,office lighting,home light.D.Commercial show windows and bars,airport,subway ... power before replacing lamp.D.Keep away from direct sunshine and high temperature.E.If any doubt ...