You can greatly vary your guitar's tone with this speaker cabinet simulator. - Model Name: Radar - Type: Speaker Cabinet Simulator - Input Jacks: 1/4 inch jack - Output Jacks: 1/4 inch jack - Control Knob: Red knob - Display: LCD screen Thank you for looking. There are no issues with its use. It was only used at home, but there are some minor scratches on the screen. The box is not included, but please understand that this is a used item and is non-refundable and non-returnable.