Available light control function: The light automatically turn on at night and automatically turn off at dawn, saving energy and environmentally friendly. Waterproof design: Can be used in . High brightness: Specially designed on the shell to maximum light refraction of the light source.High quality PC material ensures high light transparency. Ultra-bright lamp beads visible to 500 meters in the dark. Large solar panel: Increase the area of the super solar panel, which can absorb solar energy faster. Energy saving, it automatically turn on at night and turn off at dawn, saving energy. Super LED lights, cylindrical shell, can be observed from a distance. Built-in magnets can be securely fixed on any iron objects, including the top of the car. Solar panel:5V 90mA Number of LEDs:8 Battery:3.7V 1200mAh Viewing distance:500m Full charge duration:50 hours Color:Yellow Material:PC Package Contents: 1 * Solar Warning Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.