and rainproof material: Driveway markers reflectors are made of stainless steel light poles, which are strong anti-rust, and anti-oxidation. The abs plastic ground-inserting tip is sturdy and and can be used when it rains. It will not short-circuit the lighting and is safe to use. Wide application: Solar driveway markers can be applied to lane markings in many places, such as doorways, lawn snow removal, parking lots, gardens, etc. They can be used for a long time in extreme weather to improve visibility and safety. Energy saving: Solar driveway markers use solar charging and do not require batteries. On a sunny day, the sun's rays charge the warning light through the solar panel. It can be used for 30 hours after being fully charged. At night, the warning light automatically flashes; during the day, the warning light automatically turns off. 200-meter visual distance: Solar driveway markers adopt a high-brightness lampshade design, enhanced led and cylindrical housing, which can be seen 360° from a long distance, and can be seen more than 200 meters at night. Steady light/flash mode: Driveway reflectors adopt two modes: Steady light and blinking. One-button switch, convenient control and switching, no leakage of electricity, and the light can be turned off at night when not in use.