IMSA-MSE
The IMSA Safety Light Transponder (In-car alert receiver) is to be used in conjunction with the Weathertech and VP Racing XAP Marshalling system - or - Support Series IMSA Safety Light System.
WeatherTech Series
GTP, LMP2, GTD Pro, GTD
VP Racing SportsCar Challenge
LMP3, GSX/GT4
Support Series
Ferrari Challenge North America, Lamborghini Super Trofeo, Porsche Carrera Cup North America, Mustang Challenge
These are new units, and come with a 1 year warranty