It utilizes single crystal cells laminated with an acrylic glazing. Comes with a 20 foot wire lead in a sunlight resistant sheath. These PV modules use single crystal or polycrystalline cells from major PV manufacturers. The cells are encapsulated in clear polyurethane to protect them from the elements. They make excellent trickle chargers, nicad chargers, and power supplies for fans and small motors.
Thousands are in use powering navigation aids and traffic signals.