A fully tweakable and extremely compact tremolo perfect for the crowded pedal-baord. The Mooer Trelicopter Tremolo effects pedal offers classic tremolo effects with a huge range of speeds and depths. You can even tweak the color of the sound with the BIAS knob. Its full metal casing makes it durable and road ready, and like most great effects pedals it has true bypass. Trelicopter Classic optical tremolo with huge range of speeds and depths BIAS knob brings various color of the tremolo sound Full metal shell Very small and exquisite True bypass Specifications Input: 1/4? monaural jack (impedance: 1M Ohms) Output: 1/4? monaural jack (impedance: 1k Ohms) Power Requirements: AC adapter 9V DC (centre minus plug) Current Draw: 5mA Dimensions: 93.5mm (D) 42mm (W) 52mm (H) Weight: 160g Note: Power supply not included. Please use the 9V DC power adapter whose polarity is negative centre otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English Chinese) We charge No Tax. No Duty to Canada and USA Free USA Shipping Ships from Canada