VOX V847A Wah Wah Guitar Effects Pedal Connectors: 1/4-inch INST jack (input), 1/4-inch AMP jack (output), DC input jack. Power Supply: One 9V DC battery 6F22(S-006P) Power Consumption: 540uA at 9VDC Battery Life for Continuous Use: Approximately &gt;100 hours with manganese battery (will vary depending on conditions) Included Accessories: Vinyl carry bag