Purchased 2 years ago. Works without any problems. AC adapter is not included, but the box and instruction manual are included. Please consider! [High-Quality Overdrive] The BOSS OverDrive OD-3 provides a warm overdrive sound for your guitar. Perfect for live performances and studio recordings. [Easy-to-Use Controls] With the three knobs LEVEL, TONE, and DRIVE, you can freely adjust the tone. Simple operation makes it widely used by beginners to professionals. [Robust Design] The robust body made in Malaysia boasts durability that can withstand long-term use. Recommended for those looking for a reliable effector. - Brand: BOSS - Model: OverDrive OD-3 - Country of Manufacture: Malaysia - Battery Type: 9V dry cell - Control Knobs: LEVEL, TONE, DRIVE - Input/Output Terminals: INPUT, OUTPUT