Features: Two working modes: HP，LP Magnalium alloy housing， good durability. Mini size， compact and space-saving. Durable jacks and foot switch. True bypass design， minimizes tone loss and get more control of your pedal. Designed with on / off LED， instructs effects or bypass status. 3 adjustable knobs: volume， tone， drive. DC 9V adapter power supply. Specification: Color: White Effect modes: 2 (HP，LP) Input: 0.25in monaural jack (impedance: 470k Ohms) Output: 0.25in monaural jack (impedance: 1k Ohms) Power requirements: AC adapter 9V DC Current draw: 6mA Product size: 9.1 * 3.6 * 5 cm / 3.6 * 1.4 * 2in Product weight: 145g / 5.1oz Package size: 10 * 4.8 * 5.7cm / 3.9 * 1.9 * 2.2in Package weight: 161g / 5.7oz Package List: 1 * Overdrive pedal 1 * User manual (English)