【Brightness and Energy Saving】This 5W LED produces 450 lumens of bright light and can be used as a replacement for 45-50W halogen lamps, saving over 92% on electricity costs and lasting up to 25,000 hours. [Warm 3000K Light] Allesgut MR16 GU5.3 5W LED bulb at 3000K (warm white) does not interfere with wireless devices and other electronic equipment. It is silent and flicker-free, protecting your eyes. [DC/AC 12V Input Voltage] It is best to use a suitable LED transformer. If you want to connect a halogen transformer, please note that the total load of this LED lamp must reach the minimum power rating of the transformer you are connecting to to avoid flickering. [Perfect for Lifestyle Lighting] - This MR16 LED lamp with a 120° beam angle has a CRI of 80, which maximizes the color of the illuminated object and better highlights the environment in homes, offices, museums, shops, restaurants, etc.