The Mylaps RC4 Transponder is a 3-wire device that is compatible with 1:4, 1:5, 1:8, and 1:10 scale RC vehicles. It is designed for use in radio-controlled model vehicles and is manufactured by MyLaps.

On May-06-24 at 21:01:27 PDT, seller added the following information:

The Mylaps RC4 Transponder is a 3-wire device that is compatible with 1:4, 1:5, 1:8, and 1:10 scale RC vehicles. It is designed for use in radio-controlled model vehicles and is manufactured by MyLaps. Came out of my 1/8 scale buggy and I need a different brand for my track, works great.