Scanstrut APT-LB-L1 Central Light Bar c/w All Round White LED LightScanstrut APT LB L1 Central Light Bar c w All Round White LED Light Central light bar for all aft learning PowerTowers. ( APT 150 01 APT 250 01) The central bar fits to the PowerTower using a pre drilled, internally mounted 316 stainless backing plate Paint finishes complies with our unique 4 step marine paint system All Round White LED Light Visibility: 2 miles COLREG 1972 Approved USCG 2NM Internal cable routing into the PowerTower