Cyber Tech Silver 7 Watt LED Track Head For Halo Single Circuit System - Style # 8K958 Update your track lighting system with this LED track head. The design uses a mere 7 watts of energy, but has a light output of 500 lumens, comparable to a 50 watt halogen unit. The track head swivels and can be adjusted to point light just where you need it, and it is dimmable with LED compatible dimmers. 