Features:2 adjustable knobs: level and comp.Aluminum 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 status.Powered by a 9V battery or 9V DC power adapter (neither included).Specification:Color: OrangeProduct size: 11.5 * 6.4 * 3.3 cm / 4.5 * 2.5 * 1.3inProduct weight: 232g / 8.2ozPackage size: 13.6 * 9.1 * 7.1cm / 5.3 * 3.6 * 2.8inPackage weight: 281g / 9.9ozPackage List:1 * Compressor Pedal