Marine Beacon Light Marine LED Strobe Light Double Head Emergency Warning Beacon Lights Red AC110V Two Lights Blinking Synchronously Item Type: Marine Beacon Light Installation Dimension: Approx. D100mm / 3.9in x M10 x 4Power Consumption: ≤3w Light Intensity: ≥32.5cd Horizontal Output: 360 degree Vertical Divergence: ≥10 degree Luminous Color: Red Light Source Service Life: ≥20 Years Optically Controlled Ambient Brightness: 50/100lux Wind Resistance: Approx. 120m / 393.7ft /S  Visual Distance: 5km Waterproof Class: Ip68 Applications: Marine Waterways, Rivers, Lakes, Aquaculture Areas, Buildings, Bridges, Towers, Communication Towers, Chimneys, Airport Runways, Helipads, Traffic Barriers, Tower Cranes, Moving Obstacles and Construction Vehicles.