Series 25 offer the same O-ring seal as do all Aqua Signal Lights for watertight operation. Housings are matte black molded polycarbonate. INCLUDES an easy-to-change, 12 volt, 10 watt festoon bulb 90200-7. For 24 volt systems order Fig. 2AQS No. 90201-7 24 volt bulb. 25404-7 Combined Masthead/Halogen Spreader Light has unique flexible flaps that allow easy and fast fitting to any mast profile. Installation requires 3-wire cable only. INCLUDES a 12 volt, 10 watt festoon bulb 90200-7 and a 12 volt, 20 watt halogen bulb 90470-7 in the spreader light.

L7 can be used as obstruction or dock marker, the automatic incandescent is photosensor activated for turn-on at dusk and shut-off at dawn. Use either the 9431 battery adapter, sold separately, with 4 "D" cell batteries or a 6V DC lantern battery to provide up to two weeks of service. Completely water-tight and shockproof, it's built to withstand severe environments. Has a 360 degree visibility up to a mile. Measures 8.5" x 5.5", weighs 17 oz.