GU10 light bulbs feature two lugged base pins that protrude from its base which you then push and twist into the fixture. GU10 bulbs are commonly used in spotlights and feature tiny glass surfaces internally that help bounce light around the room. Narrow down your choice by lumens to help you achieve the brightness you’d like from the fixture. You can also narrow down our range by smart capability and light technology to get the achieve the perfect illumination you’re after.