Solar Powered, Energy-Saving Built-in high-efficiency solar panels automatically recharge during the day, eliminating the need for wiring or battery replacement. charged in 4-6 hours in bright sunlight, it flashes continuously for 8-10 hours at night, saving energy and eliminating the hassle of wiring. 8 LED Strobe Lights, Powerful Warning Equipped with 8 high-brightness LEDs in red, blue, and white (depending on model), they offer multi-mode strobes (steady, fast, slow, and alternating). With a nighttime visibility of up to 500 meters, they effectively warn vehicles behind you and reduce the risk of rear-end collisions. Shark Fin Integrated Design, Waterproof and Pressure-Resistant The streamlined ABS shark fin housing seamlessly fits the contours of your vehicle's roof, combining aesthetics with reduced wind resistance. IP67-rated waterproof and dustproof, it operates reliably in extreme weather conditions from -30°C to 80°C, making it suitable for car washes and heavy rain. Easy Installation, Universal Compatibility Dual-installation adhesive and clips secure it to 99% of car/SUV roofs, eliminating the need for drilling or tools. Built-in gravity sensor switch, the light automatically turns on when the vehicle starts and goes into sleep mode when the vehicle is stationary, which is intelligent and saves power. Specification: 1. Color: black, white, silver, red, gray, gold, blue 2. Weight: 80g 3. Product size: about 13x6x7cm/5.12x2.36x2.76 inches Packing list: Shark Fin Antenna Decorative Light*1