507 bulb shape a19 products are offered for sale by suppliers on Alibaba.com, of which led bulbs accounts for 78%, smart bulbs accounts for 14%, and incandescent bulbs accounts for 3%.
A wide variety of bulb shape a19 options are available to you, such as ac, dc and rechargeable battery pack.You can also choose from led, halogen bulb and incandescent bulb bulb shape a19,as well as from residential, home, and office bulb shape a19, and whether bulb shape a19 is manual button, remote, or sensor.