These solar LED road studs are naturally charged by the sun. As soon as it starts getting dark the LED lights in the come on automatically each night. They have been specifically designed with road safety in mind and can help to prevent serious accidents and rather than reflect light. Feature - Color: As shown - Material: plastic and metal - Size: 10. .5 x 2.2cm - Made from qualified material, it is reliable for long time use. - Solar powered design is energy saving and . - High luminous and Long lifespan - Automatically charge during daytime. Auto turn on at night and off at sunrise. - Made of -carbonate, this road is almost any situation. This can be used on most roadways without of being crushed or . An IP68 rating means this quality road won’t be by regular rain or snow fall. Specification: - Battery: 1.2V 800mAh battery(built-in) - Lighting Time：about 72h after fully charged - Visual Distance: 1000meters - Turn on Light Intensity： <500Lux - Working temperature: -20~70 degree centigrade - Waterproof: IP 68 - Lighting mode: always on / flashing - Life: 3-5 years Package list: 1 x Solar LED Road