Reusable Revolution Solar LED Road Stud Pathway Marker Light (Blue) SOLAR POWER - Using the power of the sun is not only beneficial to the earth, but also to your pocket book. Solar energy is an unlimited, free resource available daily. Utilizing a poly-crystalline solar panel, this road stud can quickly recharge it's batteries throughout the day for use at night while eliminating the need to reguarly purchase new batteries. LED's - Lighting is one of the most essential items in the modern world. Dwindling resources have put solar lighting front and center in the energy industry. LED bulbs use a fraction of the power as incandescent bulbs and are a fraction of the size. This light features 6 LED lights to provide a super bright light that can be visible for up to 700 yards away. EASE OF USE - Safety and convenience have fused into one with this road stud. Safe enough to handle any road, this light can be quickly installed and should never need to be touched again. Quickly change between an on, off, or strobe setting with the flip of a switch. The included 1200mAh Ni-Mh rechargeable battery won't need to be replaced and powers the 6 LED bulbs that are rated to last well over 100,000 hours of use! HEAVY DUTY - Made of high quality poly-carbonate, this road stud is made for almost any situation. Designed to handle loads up to 20 tons, this stud can be used on most roadways without the fear of being crushed or damaged. An IP67 rating means this quality road stud won't be damaged by regular rain or snow fall. PRODUCT DIMENSIONS - Measures 4.3" x 3.9" x 1.2"