Wattsun active trackers are environmentally-friendly and are guided by a patented, optical, sun-sensing device that dramatically outperforms passive tracking systems. Solid state electronic design and positive drive mechanisms insure consistent operation in extreme temperatures and windy conditions. Manufactured from the finest quality materials, Wattsun™ Trackers are easy to install, easy to operate and inexpensive to maintain. Wattsun Trackers are manufactured in the USA.