This is a preowned Pedal that is in good condition and has been Tested. Has Velcro on the back where it was attached to a board with some other pedals.                                                                                                           The TC Electronic Iron Curtain Noise Gate Pedal is designed to control unwanted noise and hum in your guitar signal. It offers a simple, intuitive interface with only two knobs- threshold and decay, making it user-friendly. This true-bypass pedal provides noise-free performance without sacrificing your tone.