Universal Taxi Cab Roof Light Waterproof Top Sign Magnetic 12V COB Light Auto PartsFeatures --High-quality materials and super bright LED bulbs. --Using a large stable chip. --This energy-saving LED bulb is low, long alternative and dustproof. --No delay in lighting, safer and prevent dangerous collision behind you.Specifications: Material: ABS+COB Size: HD-500 Large: 23.5 7 5.5 cm /9.25 2.76 2.17 inches HD-400 Medium: 17 8.5 6.5 cm / 6.5 3.35 2.17 inches Light source: COB Power: 3 (W) Voltage: 12V Applicable Scenes: Car, TaxiPackage Contents 1x Taxi LightNote: 1. Please understand there may be 1-2 cm deviation exist.2. Due to the lighting and monitors, there are slight difference between the picture and the real item.Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.