Feature 1Solar signal light, high efficiency solar panel, replaceable lithium iron phosphate battery power supply. 2Military grade material, 30 years anti-aging, IP68 waterproof rating. 3LED light source emits red light, long visible distance, super strong warning function. 4Excellent wind resistance, low power consumption, long service life, safe and reliable. 5It can be applied to various warning places such as marine navigation marks, buoys, rivers, bridges, squares, airport runways, waterways, highways, tower cranes, etc.Features: Solar signal light, high efficiency solar panel, replaceable lithium iron phosphate battery power supply. Military grade material, 30 years anti-aging, IP68 waterproof rating. LED light source emits red light, long visible distance, super strong warning function. Excellent wind resistance, low power consumption, long service life, safe and reliable. It can be applied to various warning places such as marine navigation marks, buoys, rivers, bridges, squares, airport runways, waterways, highways, tower cranes, etc. Specifications: Condition: Brand New Material: ABS + Aluminum alloy Color: Shown as picture Light source life: >100000 hours Power supply: Class A high efficiency solar panel Luminous color: Red Battery capacity: 3.2V 3.3AH Battery type: Replaceable lithium iron phosphate battery Battery life: >5 years Solar panel voltage: 5.5V Solar panel power: 2.5W Solar panel life: >20 years Power consumption: 0.3W Vertical illumination angle: 8 Visible distance: 1 ~ 5 km Light source: LED Storage temperature: -40 C ~ 70 C Working temperature: -20 C ~ 60 C Wind resistance: 80 m / s Working method: Flash Hengguang Light: Red 10CD Flash light intensity: Red 20CD Continuous lighting time in rainy days: >30 days (calculated by working 10 hours per day) Protection level: IP68 Package List: 1 * Marine LED Signal Light