The No. 1 selling supplementary landing gear warning device for general aviation aircraft. The system functions by continuously monitoring airspeed and other inputs and converts them into the appropriate advisories (landing gear position, Vne and stall). It provides the pilot with both, audio (it actually communicates with the pilot through the headset and/or speaker) and visual (through an illuminated annunciator) advisories. Weighing in at only 14 ounces, the system has a negligible effect on a plane's useful load. In addition, it is a smart way to modernize an older aircraft without spending tens of thousands of dollars. The Audio Advisory System is backed by a 12-month warranty. For more information visit www.p2inc.com or call (952) 472-2577.