Thank you for viewing. BOSS PH-1 Phaser, made in Japan Serial Number: 6500 MADE IN JAPAN, ACA adapter specification (Discontinued) There are minor scratches from use, but it's in relatively good condition for its age. There is no box or instruction manual, only the unit itself. I haven't used it for many years, so the operation is unconfirmed. I have only confirmed power-on with a 9V battery and AC adapter. (The check lamp only lights up when the pedal is pressed) * To avoid trouble, please refrain from price negotiations. * Please consider this item with the understanding that it is a long-term storage item. Type: Electric Guitar Manufacturer: BOSS, Effects Pedal