This product is the RevoL Effects ThreeVERB guitar reverb pedal. It features three reverb modes: Room, Spring, and Hall. The main controls are Level, Time, and Dry/Wet mix knobs. It is designed in a compact micro pedal shape. This is a used item. Please check the photos carefully to assess the condition. Operation has not been confirmed. As I have no knowledge of this product, I cannot determine its condition. This is an unwanted item and has not been maintained, so it is considered junk. Would someone who can repair it be interested? Due to being a used item, there are noticeable stains and scratches.