Feature: Gear selection: There are two gear selections, Auto is the automatic wah mode, Touch is the touch wah mode. MODE knob: 5 different sound modes can be selected in Auto and Touch modes, and MIX and ATTACK can be adjusted in the corresponding twisting area. Miniature and all-metal housing for portability and durability. Comes with a true bypass foot switch and LED indicator. SPEED/GAIN knob: adjusts the speed of the wah in Auto mode; adjusts the appropriate Gain value according to the output of the pickup in Touch mode. Specification:LP (Lowpass): highlights the low-frequency wah toneBP (Bandpass): highlights the IF wah toneHP (Highpass): highlights high-frequency wah toneSP (standardpass): standard wah toneTALK: vocal wah toneRANGE knob: adjust the range of wahPackage list:1 * Auto Wah1 * StickerNote:The actual product color may deviate from the photo due to light.There may be a slight deviation in the measurement of product.