The DD3 has long been regarded as the benchmark for digital delay, because of its warm (almost analogue tone).
This looks absolutely brand new. Comes in original box with instructions.

Specifications:

■Delay time/12.5 ms (MIN) to 800 ms (MAX)
■Hold time/200 ms (MIN) to 800 ms (MAX)
■Power Supply - 9v battery or pedal board supply.
■Current consumption/55 mA (9 VDC)
■Terminal/input, direct output, main output, AC adapter
■Dimensions/Weight/70 (W) x 55 (H) x 125 (D) mm, 450 g
■In addition to the three-step mode switch for delay time, it is equipped with D.TIME control for fine adjustment of delay time. The delay time can be continuously varied from 12.5 ms to 800 ms and can be set speedily.