Feature: 1. Using high‑efficiency solar chips, the photoelectric conversion efficiency is as high as 19%. No radio frequency, no electromagnetic interference, stable operation. 2. The solar lithium iron phosphate battery can be replaced, and the maintenance cost is low. The advanced charge and discharge management system effectively extends the battery life. 3. With automatic light control function, it can automatically start work in rainy days and dark nights. Work continuously for more than 15 days in rainy days (calculated based on 12 hours of work per day). 4. The integrated waterproof design can be immersed in sea water, and the protection level is up to IP68. Anti‑impact, anti‑lightning, anti‑sunlight, anti‑rain and snow, anti‑typhoon, hail and other severe weather. 5. Using marine-grade special plastic materials, it is especially suitable for places with severe corrosive environments such as oceans, rivers, chemical plants, and airports. Specification: Item Type: Navigation Light Material: Plastic Model: TX-LS/EL Light Source: LED Light Source Life: >1000000 hours Battery Capacity: 7.4V 10000MA Battery Type: Lithium Phosphate Battery (built-in) Solar Panel Power: 5W Solar Panel Voltage: 10V Solar Panel Life:> 20 years Power Consumption: <0.1W Vertical Beam Angle:> 8° Visible Distance: 1-5 nautical miles Horizontal Light Angle: 360 degrees Flash Intensity: In line with IALA Working Mode: Red flashing 20 times/minute Storage Temperature: -55℃-85℃ Working Temperature: -55℃-85℃ Wind Resistance: 80m/s Daylight Switch Lighting Threshold: 300LUX±100LUX Waterproof Rating: IP68 Continuous Lighting Time: >15 days (calculated based on 12 hours of work per day). Package List: 1 x Beacon Light1 x Manual