This is an easy to use Vintage style Tremolo Pedal with a wide range of Rate and Intensity. It's 2 controls give you all the access you need to dial up anything from a wildly insane Trem to a gentle and shallow wave, and all points in between .   Features: Affordable, with good quality.  Vintage Tremolo sound.  Intensity and Rate controls.  True bypass design. On/Off LED status indicator.  Sturdy alloy casing.   Specifications: the Model: D-13 is;  Material's: Alloy Materials;  Color: Beige;  Working Current: 30mA;  Working Voltage: the DC 9V;  Item Size: 4.7cm * 9.7 * 6.6 / 3.8 * 2.6 * 1.9inch; Item Weight: 193g  / 6.8oz;  Package Size: 11 * 7.5 * 4.9cm / 4.3 * 3 * 1.9inch;  Package Weight: 213g / 7.5oz;   Packing List: 1 * D-13 Tremolo Guitar Effect Pedal