Feature: 1. High Efficiency: With integrated design and 25% conversion efficiency, this solar beacon lamp can ensure stable and reliable illumination. 2. Robust Material: The beacon lamp is made of durable and UV resistant PC material, ensuring long lasting performance in tough environments. 3. Accurate Control: The lamp can optimize the battery charge and discharge cycles, and reduce the energy consumption of control circuitry. 4. Marine Grade: Designed for harsh environments, the lamp features a base made of special materials suitable for marine application. 5. Application: Suitable for Marine waterways, rivers, lakes, aquaculture areas, buildings, Bridges, communication towers, chimneys, airport runways, tower cranes, moving obstacles. Specification: Item Type: Dock Barge Beacon Light Material: PC + Metal Luminous Color: Red Vertical Divergence: > 10 ° Horizontal Output: 360 ° Power Supply: Monocrystalline Silicon Solar Panel Battery Type: Lithium Iron Phosphate Battery Battery Capacity: 3.2V 6000mAH (Built in Battery) Battery Life: > 5 Years Solar Panel Power Consumption: 2W Solar Panel Service Life: > 20 Years Solar Panel Voltage: 5.5V Power Consumption: ≤ 2W Line Of Sight: 5km Working Temperature -40 ℃- 70 ℃ Solar Switch Lighting Threshold: 300LX ± 100LX Continuous Use Time In Rainy Days: > 15 Days (12 Hours/Day) Light Source Life: > 100000 Hours Mounting Size (mm): D170mm x M6 Wind Speed Capacity: 80m/s Working Mode Flashing: (20 Times/Min) Flash Intensity: 32.5cd Waterproof Grade: IP68 Applicable: Marine waterways, rivers, lakes, aquaculture areas, buildings, bridges, towers, communication towers, chimneys, airport runways, helipads, traffic guardrails, tower cranes, moving obstacles.. Package List: 1 x Dock Barge Beacon Light