Super Bright & No Delay: Designed with the latest LED source technology, this MR16 12v low voltage landscape bulb has a high output of up to 450 lumens. It will emit full brightness at neutral white 4000k, without delay and no dark space. Energy Efficient & Money Saving: Equipped with energy-efficient LED chips, the 5W MR16 LED bulbs will reduce heat generation and save over 90% on lighting electricity bill, making it a cost-effective alternative to 50W halogen bulbs. High CRI 85+ & 38 Degrees of Narrow Light: Featuring a high CRI of 85+, these non-dimmable MR16 4000K bulbs provide true spot lighting (38 degree light dispersion), vivid and natural color, giving you a better visual enjoyment. And the high quality of light output will also remain stable throughout the lifespan. Wide Application: AC/DC12V (10-18V) MR16 low voltage, suitable for home living room kitchen track lighting, creates a wonderful quiet and comfortable atmosphere for garden, yard, patio, lawn, driveway, uplights,