ENTLER light fixtures ship with a 4w, warm white (2700k) dimmable LED Bulb. These are Edison screw-type bulbs with built-in drivers, and no external drivers required. The light output is 400lm per bulb.
Options are available for brightness, color temperature, and dimming. Here are some links!
Liii & Artman 4w Tala 4w Bulbrite 4w GE 4w Feit Electric 5w Leools 6w