PERFECT SUBSTITUTE: With a 120 degree beam angle, these gu10 led bulbs provide an even light for general lighting. Note that these gu10 led bulbs are not dimmable and cannot be used with dimmer switches. ENERGY SAVING: 6W LED bulbs replace 60W incandescent and halogen bulbs, saving up to 90 off electricity bills. With a life cycle of 15,000 hours, costs are reduced by reducing the frequency of replacement. CRI (color rendering index) gt; 80 guarantees a vibrant visual enjoyment of the original colors. WIDE APPLICATION: Standard GU10 base, easy to install on all GU10 bases. Suitable for indoor lighting, such as chandeliers, pendant lights, ceiling fans, window lamps, wall sconces, table lamps, etc. A warm white perfect for living rooms, dining rooms, offices and dining rooms. INSTANT LIGHTING: No need to wait for the light to reach full brightness once turned on! Flicker-free, glare-free light prevents eye strain and creates a comfortable, stress-free atmosphere. LED bulbs are CE, ROHS certified, safe for your family and the environment