2 Working Modes: Warm/HotTrue bypass switchVery small and compact designSupport 9V 300mA center negative supply(the package doesn't included it ).Please use Isolated supply with 9V and at least 210mA current value for the unit. Incorrect supply may cause short-circuit and damage.Type: EffectsModel Number: FC07 Overdrive PedalType: Electric Guitar Overdrive Effects PedalEffects Type: Overdrive Effects Guitar Pedal Supply: DC. 9V 150mA Center negativeDimensions: 83mmx47mmx52mmcolor:YellowMaterial:aluminium alloyPackage Contents:1 x Guitar PedalOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.