1、Continuous working hours of over 30 days on rainy days (calculated as 10 hours of working hours per day). 2、With automatic light control function, the lamp automatically starts working in rainy days and nights. 3、Adopting high-efficiency solar chips, the photoelectric conversion efficiency is as high as 19%. 4、Integrated waterproof design, can be immersed in seawater, the protection level is up to IP68. 5、The circuit uses an advanced charge and discharge management system, which effectively extends the battery life. 6、The light has anti-shock, anti-lightning, anti-sunlight, anti-rain and snow resistance, and can resist typhoon, hail and other bad weather. 7、The use of replaceable solar lithium iron phosphate battery internally reduces the user's later maintenance cost and maintenance difficulty. 8、Adopting marine-grade special plastic materials, it is especially suitable for places with severe corrosive environment such as sea, rivers, chemical plants, airports, etc. 9、No radio frequency, no electromagnetic interference, stable operation and low cost. 1 x Beacon Light Condition: 100% Brand NewItem Type: Beacon LightMaterial: PlasticColor: As Pictures ShownModel: LS / ELight Source Life: > 1000000 hoursBattery Capacity: 3.2V 3AH (Built-in)Battery Type: Lithium phosphate batterySolar Panel Power: 1.8WSolar Panel Life: > 20 yearsPower Consumption: <2WVertical Light Emitting Angle: > 10 °Visible Distance: 1-4 nautical milesHorizontal Light Angle: 360 degreesFlash Light Intensity: meet IALALight Source: LED:Storage Temperature: -55 ℃ - 85 ℃Working Temperature: -55 ℃ - 85 ℃Wind Resistance: 80 meters / secondDaylight Switch Illumination Threshold; 300LUX-100LUXWaterproof Rating: IP68Continuous Lighting Time:> 20 days (calculated by working 12 hours a day)