WAC Lighting LHT-846-WT L Series Low Voltage Track Head, 50W Die-cast aluminum construction. Fixtures specifically designed to ensure proper lamp fit 1W minimum load allows the installation of an LED lamp. Available with pre-installed LED MR16 lamp (ht-846led). lamp sold separately on non-led version For use with 120V track. Track Fixture is available in H, j/j2, and L track configurations. Order according to track layout specifications. Accepts MR16 LED or halogen lamp Smooth and continuous dimming to 10% with an electronic low Voltage dimmer Hot aiming knob for easy adjustment. Patented tool-free lockable aiming mechanism. Standards: UL & CUL listed for dry locations Fully enclosed backing prevents light leaks Built in hot aiming adjustment Die-cast aluminum construction Clear lens included, for optimal light control Side paddle design provides for easy aimming and is a decorative element