Features:4-in-1 guitar effects pedal, delay + chorus + loop + overdrive.Delay Effect: with repeat, delay and level control knobs, 25ms-600ms adjustable delay time. Level-- Sets the level of delayed signal mixed with guitar tone, there is only guitar signal when fully CCW, and loudest delay when fully CW; Delay-- Adjusts the delay time from 25ms(fully CCW) to 600ms(fully CW); Repeat-- Adjusts the repeats of the delay signal, one repeat(fully CWW) and infinite feedback(fully CW)Chorus Effect: Based on the Boss Ce2 chorus, analog bucket brigade technology yields premium vintage modulation effect; Mix-- Adjusts the amount of chorus effect signal; Depth-- Adjusts the depth of chorus effects; Rate-- Adjusts the speed of chorus effects;Overdrive: Based on the Timmy Overdrive, 2 modes, with drive, level, bass and treble control knobs. Drive--Adjusts the amount of overdrive; Level--Adjusts the output volume; Bass-- Adjusts the amount of low frequency in the sound; Treble-- Adjusts the amount of Hi frequency in the sound;FX Loop: The SEND and RETURN jacks allows you to expand your board with other pedals. The FX LOOP point is positioned between the overdrive and delay modules.Specifications:Material: MetalPower Supply: DC 9V power adapter (not included)Item Size: 18.5 * 11.5 * 3.5cm / 7.3 * 4.5 * 1.4inItem Weight: 650g / 1.4lbsPackage Size: 23 * 13.5 * 6cm / 9.1 * 5.3 * 2.4inPackage Weight: 740g / 1.6lbsNote:Power adapter is not included.Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal