This track head is compatible with W-Track system Features: 24 degree beam spread Accommodates one (1) filter lens and accessory 365 degree horizontal rotation and 180 degree vertical aiming Spring lock to secure the aiming adjustment on horizontal Made of die-cast aluminum Uses Bridgelux LED Lamping Technology: LED - Light Emitting Diode: Highly efficient diodes produce little heat and have an extremely long lifespan. Specifications: Average Hours: 50000 Beam Spread: 24° Bulb Included: Yes Bulb Type: LED Color Rendering Index (CRI): 90 Color Temperature: 2700K Depth: 12.375" Dimmable: No Height: 5" LED: Yes Lumens: 1335 Manufacturer Warranty: 5 Year Material: Aluminum Number of Bulbs: 1 Track Accessory Type: Track Heads Track System: W-Track UL Rating: Dry Location Voltage: 277v Voltage Type: Low Voltage Wattage: 27.7 Compliance: UL Listed - Indicates whether a product meets standards and compliance guidelines set by Underwriters Laboratories. This listing determines what types of rooms or environments a product can be used in safely.WAC Lighting