1、Gear selection: There are two gear selections, Auto is the automatic wah mode, Touch is the touch wah mode. 2、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. 3、Miniature and all-metal housing for portability and durability. 4、Comes with a true bypass foot switch and LED indicator. 5、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. 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 tone BP (Bandpass): highlights the IF wah tone HP (Highpass): highlights high-frequency wah tone SP (standardpass): standard wah tone TALK: vocal wah tone RANGE knob: adjust the range of wah Package list: 1 * Auto Wah 1 * Sticker Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.