Twinbuys NUX Time Core Guitar Effect Pedal 7 Delay Models True Bypass 7 delay effects.True stereo signal processing.Tone Lock function and one preset save/recall. Built-in 40 seconds stereo loop machine. New generation 32-bit DSP, high performance 24-bit 44.1 kHz AD/DA convert. Flexible I/O jacks detect the stereo and mono connections automatically. True bypass.Runs on battery or AC power.