AC / DC 12V LED spotlight: it is better to use a LED transformer. If you want to connect a halogen transformer, please make sure all the power of the LED bulbs reaches the lowest wattage of your transformers, otherwise they may flicker strongly MR 16 / GU5.3 / GX5. 3 3W LED Replaces 30W Halogen, 450Lumen, Voltage: AC / DC 12V (AC12V or DC12V LED transformer required), Not dimmable, Dimensions (xW): 50 x 46 mm Durable Reflector GU5.3: with CE, EMC and RoHS certified. No flickering, no UV or IR radiation. Made of high quality materials with excellent heat dissipation 12V 30W Warm White Floodlight: Ra80 high reflective index with super 30 x 5730 SMD, uniform illumination. Energy efficiency class A +, long life, energy saving up to 90% Service: Attention! ! Please make sure your drivers are LED or halogen drivers, if they are halogen drivers, they may cause the MR16 LED bulbs to flicker, consider replacing them with a LED driver. Product product AC/DC 12V: Compatible with 99% of transformers. LED transformers or halogen transformers can be used. The use of halogen transformers must achieve a minimum power requirement. If you are not sure what type of transformer you have, you can plug in a halogen bulb. GU5.3 LED bulb, MR16 LED 6000K Standard GU5.3 fittings which can be easily installed to replace ordinary GU5.3 halogen spotlights. Extremely long life, MR16 LED bulbs have a lifespan of 20,000 hours, saving energy. energy, time and money. No flicker, flash or glare, eliminate eye strain and protect your family's eyesight. LED spotlight AC/DC 12V Please ensure your transformer is compatible with the GU5.3 MR16 LED bulb. If you want to connect a halogen transformer, make sure that all the power of the LED bulbs reaches the lowest wattage of your transformers, otherwise they may flicker strongly High CRI High color rendering index (CRI>=80) makes color more vivid and natural High CRI The color rendering index (CRI) affects how a light source describes the appearance of the color. Natural outdoor light has a CRI of 100 and can be used as a reference for any other light source. The Bombubilla MR16 GU5.3 Cool White LED lamp is a selection of high display SMD LED lamp beads, the CRI is always above 80, close to the value of the sun, the reflected color is bright and natural, and the degree recovery is high. MR16 Led Application Wide Application: MR16 LED lights occupy an important place in the overall interior LED decoration of the house. From kitchens, living rooms, hallways to bedrooms and bathrooms, whether placed in floor lamps, pendants or ceiling lights. Provides the temperature and color quality needed to create the best atmosphere. Warm Tips: Please do not use in dimmable lights. If your operating voltage is 100-240V, a 12V transformer is required. Before starting the installation, turn off the power supply to avoid the risk of electric shock.