The Gama Sonic Sol-Gate GS-61A solar-charged flashing warning light for barriers and gates helps to enhance safety and security with its flashing red LED lights. The Sol-Gate makes the barrier or gate to which it is attached more visible in the dark to drivers, bikers, and pedestrians. The GS-61A model mounts in just seconds at a right angle on two sides of a flat surface with only four screws required--no electrical wiring necessary. In darkened conditions, the unit flashes its two red LED lights. It works in the vertical or horizontal position. A full solar charge of the two included rechargeable AAA NiMH batteries provides up to 200 hours of functionality. With its polycarbonate frame and rubber-sealing end caps and UV inhibitor, the Sol-Gate is weatherproof and built to last. At Gama Sonic, our goal is to build the world's best solar lights. For any product questions or unexpected issues with your Gama Sonic product, Gama Sonic support at our Atlanta headquarters is here to help. Note: For warranty claims, contact Gama Sonic USA customer support by phone at 1-800-835-4113 from 9 a.m. to p.m. Eastern time or by e-mail at support@gamasonic.com.