Each mini jewelry light,60°beam angle,brightness 60-80 lumens,particularly suitable for accent lighting. 360 degrees rotate arm,Beam angle: 30 degrees .Size: 20 mm * 41 mm. Jewelry display lights with small size can install in small space place easily. Workign voltage is DC12v ，to connect 100-250v，need use a transfomer (not included). Suitable :LED Spotlight/Cabinet Light/Jewelry Lamp/Ceiling Light/Display Cabinet Light/Museum/Wall Light.