TTONE New True-bypass Looper Effects Pedal Guitar Metal Effect Pedals Switcher True Bypass Dual Loop Switch Yellow Sturdy Switch for foot use; Quality Jack Sockets for superior sound quality Diecast Aluminium Casing; Size: 112 x 60 x 32 / 4.4"*2.4"*1.26" True bypass circuitry to leave the sound from your guitar unaltered. Stylish LED indication + LED Bezels for fastening; Powered by a Standard 2.1mm DC plug (no battery clip) Loop Pedals are completely passive and only needs power to light the LEDs.