BOSS DD 8 Digital Delay -Effect Pedal for Electric GuitarDigital stereo delay Most extensive boss delay of the compact series Wth 11 delay modes and looper function True bypass Controls: Level Feedback Time Mode 1 Push button Effect on LED Footswitch: Effect Bypass Current consumption: 65 mA Power supply via 9 V battery or 9 V DC power adapter (not included ) Dimensions (W x D x H): 73 x 129 x 59 mm Weight: 440 g Connections:2 Inputs: 6.3 mm jack Tempo: 6.3 mm jack 2 Outputs: 6.3 mm jack Tempo / Exp connection: 6.3 mm jack Power adapter connection (coaxial connector 5.5 x 2.1 mm negative polarity inside)