100% dimmable, instant lighting without delay, create a warm and comfortable lighting environment. Package Included: 6 x 50MM GU5.3 MR16 Halogen Bulb Do not touch immediately after turning off the bulb to avoid burns. This bulb is 50mm MR16 GU5.3, not 35mm MR11 GU4, please make sure the size fits your lamp before purchasing. Please turn off the power before installation, make sure the input voltage is 12v, not 220V, otherwise it will damage the bulb. 5.3mm between 2 pins, bulb size 50x44mm, please make sure the bulb fits your lamp before purchasing. Note the size difference between MR11 GU4 and MR16 GU5.3 bulbs. 680lm warm white 2700K, 2000 hours lifespan, 6-piece pack is more durable, standard GU5.3 base, easy to install without any tools, saving time and money. The higher the color rendering index, the stronger the ability to restore the color of the object. CRI> 80 can better restore the original color of the object and reduce eye fatigue. MR16 GU5.3 halogen bulbs are ideal for use