Feature: 1. Widely used in bridges, city high-rise buildings, radio, television and microwave communication towers, power industry towers, chimneys and construction facilities around airports to ensure aviation safety 2. Equipped with adjustable intensity lights to work along with the environment height changes 3. The horizontal light angle is 360° and the range is greater than 5 kilometers, very practical 4. The lampholder is made of stainless steel and lampshade using polycarbonate PC, which is durable and lasting 5. This aviation obstruction light have strong resistance of wind, both extremely high and low temperature Specification: 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.. Package List: 1 x Aviation Obstruction Light