Ibanez TRMINI, Effects Pedal for Electric Guitar & Bass, Tremolo effect, Controls: Wave, Speed, Depth, LED: Effect On, Footswitch: Effect On/Off (True Bypass), Input: 6.3 mm Jack, Output: 6.3 mm Jack, Power adapter connector: Coaxial power connector, 5.5 x 2.1 mm, negative polarity inside, Powered via 9 V battery or 9 V DC power supply (not included), Suitable power supply available under Article Nr #409939# (not included), Dimensions (W x D x H): 60 x 93 x 56 mm, Weight: 270 g, Made in Japan@+*Note:* Battery operation is not supported.@+@+