BOSS DD3 Digital Delay Guitar Effects PedalThis compact pedal provides a digital delay effect with outstanding quality equivalent to that of a dedicated rackmount delay unit, all with simple stompbox style control. Compact delay pedal with superb BOSS sound quality Provides 3 delay time modes and a Delay Time control for quick adjustment of exact delay time between 12. 5ms 800ms Hold function repeats delay sound indefinitely for interesting effects BOSS 5 year warranty