GZ-155LED Aviation Obstruction Light Highlight Beacon Signal Flash Rooftop Fishing Boat Item Type: Aviation Obstruction Light Size: Approx. 480mm / 18.9in Size: Approx. 220mm / 8.7in Size: Approx. 195mm / 7.7in Electrical Parameters: Product Model: GZ-155LED Input Voltage: AC220V Operating Frequency: 50-60Hz Rated Power: 15W Surge: ICE61000-4-5 L-L 15KV, ICE61000-4-5 L-G 15KV Electrostatic Discharge: ICE61000-4-2 Contact Discharge: 8KV Optical Parameters: Light Source: Highlight LED Light Source Life: >100000 hours Glowing Color: Red Effective Light Intensity: 2000CD±25% Horizontal Luminous Angle: 360° Vertical Luminous Angle: >3° Flash Frequency: 20-60 times/min Flash Duration: 200ms at night Sensitivity of Light Control: 50-300LX Range: >5km Physical Parameters: Material: Stainless steel(lampholder), PC polycarbonate(lampshade) Installation Size: Pitch circle Φ120mm/4.7in, uniformly distributed 4-Φ10mm/0.4in hole Wind Resistance: 80m/S Ambient Temperature: -45℃-+70℃ Protection Level: IP55 Usage: Ridges, city high-rise buildings, radio, television and microwave communication towers, power industry towers, chimneys and construction facilities around airports H <45 meters, using low-intensity obstacle lights. 45 meters <H <105 meters, using medium-intensity B-type obstacle lights with low light intensity. 105 meters <H <150 meters, using medium-intensity A-type obstacle light to match medium-intensity B and low-intensity. H> 150 meters, using high and medium light intensity obstacle lights to match low and medium light intensity.