Feature: 1. Solar Powered: The solar strobe warning lights are completely powered by solar. With a full charge, these lights can be used for 15‑20 hours. They automatically charge during the day, absorbing sunlight for 8‑10 hours. At night, they automatically flash to provide visibility. 2. High Brightness LED: Equipped with high brightness LED chips, these lights offer stable performance with low failure rates. They provide a clear and bright warning signal for enhanced safety. 3. Waterproof: LED warning lamp is made of PC and ABS housing, can withstand all kinds of terrible weather, such as foggy, downpours rainstorms, blizzards, or daily heat, protect the inside from erosion. 4. Energy Efficient: Completely charge from solar energy, no electricity required, energy saving, environmentally friendly. Save your money and no energy will be wasted, and easy installation. 5. Widely Used: Suitable for home, yard, outdoor traffic barrier, night driving, construction enclosure, garden architecture, urban lighting, factory fence, road guardrail, truck roadblock emergency, etc. Specification: Item Type: Solar Strobe Warning Light Material: PC, ABS Weight: Approx. 153.00g / 5.4oz Product Size: Approx. 15x4.2cm / 5.9x1.7in Mounting Distance: 14cm / 5.51in Battery: Ni MH AA 200MAH (Included) Visible Range: 500m Installation: Screw Fixation Usage Time: 15-20 Hours Light Source Type: Solar Power Application: Construction Site, Traffic Barriers, Night Driving, Patrol Booth, Water Operations, Safety Protection. Package List: 2 x Solar Strobe Warning Light 4 x Screw