Tie Stix LED Dynamic/Tunable White Linear Suspension Center-Feed features indirect (up light) Diffused Opaque Lens with a 100° beam spread and the latest in LED Technology Dynamic/Tunable White from 2000K to 4000K. The Tie Stix Dynamic/Tunable White is available in 6 standard sizes 39", 48", 60", 72", 84" and 96". 5 Wood (REAL Hardwood NOT laminate) and 6 Metal Finishes offer a total of 11 unique channel finishes and 2 distinct materials for a custom look. Canopy and Hardware are offered in 5 finishes. Fixture includes Adjustable aircraft cable up to 12 feet. Order TXSUP with 2 power supplies in canopy (requires Two dimmers, one for 2000K and one for 4000K, ordered separately) or TXSUR remote power supplies, sold separately, pgs 3-5.