Maximus LED linear track light fixtures bring a new dimension to track lighting. This white 5.63 in. LED spot light is a replacement for 75 watt halogen bulb. No more bulbs to change, fixture has a maintenance-free lifespan of 35,000 hours, or 32 years, based on 3 hours average use per day. Light is dimmable and has 960 lumen output of bright white light. Install in track and lock in place with a 1/4 turn. Lamp head is adjustable to preferred direction.