Description: Power supply by solar, environmental protection and conservation, no pollution. LED light control,super bright LED flash Light; Light visual distance in dark is up to 3nmi . Installs easily in seconds, No wiring necessary, just fix the bracket on the place where you need. Automated switch: just pull the switch to "ON",it will automatically charging during the day,and illuminate automatically at night?pull the switch to "OFF" to cut pff power. Multi-functionally warning lights. Specification: Solar Panel: class A solar panel Battery: 3.2V,3.3Ah LED Lifespan: 100,000 Hours Light Source: Super bright 20 LEDs Light Color: Yellow/Red Visible Angle: 360 degrees Materials: ABS Waterproof: IP54 Size: 186mm/7.32"?D?×190mm/7.4"?H? Battery work time: Can last 30 days without sunlight under full charged (10 hrs/day) Working environment: -20 - 60 centigrade Typical applications: Small safety hazard buoys Short - Long range navigation buoys Research buoys Private aids to navigation Port and marina entrances Channel and canal markers Offshore oil & gas rigs Public piers, docks and marine walkways Boat and barge terminals Breakwaters and all types of marine infrastructure Floating hose markers Construction sites Work zones In-plant work areas Around highway construction project Package Includes: 1 Piece Emergency Signal Light
