LED SMD Bulb (A Series), are standard size LED bulb which is the most popular LED product used in residential or commercial lighting. A60 are wildly use in home lighting. LED bulb are wildly use in home lighting and shop lighting. Power rating of A series LED ranges from 6 watt to 24 watts, which the size of A series is also different. From small to large, there are A55, A60, A65, A70, A80 and even A95 bulb light. LED bulb could use Edison screw base of different sizes. The most common includes E27 bases. For US market, E26 is used. If it is Australia and UK markets, bayonet base B22d is used. A shape LED bulb are usually used in home lighting fixture, office ceiling light, they could also be used in table lamp of ceiling lamp for general lighting purpose.