STWT105E-1F864XOL32100S Medium-Low Intensity Aviation Obstruction Lighting System for storage tanks/water towers Operation Time: Night Intensity Type: Medium Intensity + Low Intensity Power Type: Electric powered Control Type: Built-in photocell, External photocell, Control box Alarm Output: Through built-in dry contacts in OB lights, Through dry contacts in control box Summary: One medium intensity red obstruction light is on top of storage tanks/water towers, red steady or flashing 2000cd+25% At[…] View Details