Description: Easy to use and stall,90% Energy saving than ordinary bulbs. COB light source has long service life,super bright,instead of ordinary light source energy saving and electricity saving. Light body with high-end corrosion-resistant aluminum,high heat dissipation.Easy to scrub,like a new look. Aluminum alloy made, refecting light created by shade, it is emitting brighter. Used as display spotlight for shop display window, Jewelry shelves, gallery, showrooms and museums display lighting, etc. Specification: Material: Aluminium Color: Black Size S:Longest:Approx.19cm/7.48inch;Diameter:Approx.8cm/3.15inch;Overall Height:Approx.17.5cm/6.89inch Size M:Longest:Approx.20.8cm/8.19inch;Diameter:Approx.9cm/3.54inch;Overall Height:Approx.18.5cm/7.28inch Emitting Color:6000K White light Voltage:85-265V50-60HZ Output Current:300MA Power:20W/30W Light Source:COB 2B20C,110-120LM/W Package Includes: 1 piece Spotlight Note: The size of the actual item you received could be slightly different from the size above. Meanwhile, please be reminded that due to different color light, the display under the picture, will cause different color difference problem.