GFI System Specular Tempus Delay and Reverb Effect Pedal - UsedThe GFI System Specular Tempus is a reverb and delay pedal. There are 13 delay and 13 reverb algorithms, as well as 6 reverb delay combinations. The pedal features stereo in's and out's and tap tempo. There are 32 presets with the ability to create and save your own. The pedal also has aux ins and outs, 3. 5mm send and returns, and midi in. The backplate has scratches.