Parmetheus™ Pro, an LED landing light. New and improved optic technology now rivals and surpasses all LED offerings on the market. The Parmetheus Pro is external flasher friendly, lightweight, low current, moisture resistant and operates 14V-28V. The PAR 46 Parmetheus™ Pro uses patented core technology to that allows the light to reach further downrange. This core technology also has a heat sink located on the front of the lamp allowing just enough heat to prevent frosting in icing conditions. The new innovations in optic design represent Whelen's commitment to providing state of the art technology to the Aviation industry.