FEATURES: Dimensions: 4.45"W x 4.2"D x 2.5"H 16 gauge cold rolled steel enclosure. Based around the desirable JRC4558 chip and 1990’s Full-Drive circuit, with 2 toggle switches for many more sonic options. 30% smaller than the FD2-MOS, 15% smaller than the FD3 at only 4.45" wide x 4" deep. 2 Footswitches: Left ON/OFF footswitch: True-Bypass switching with exclusive Fulltone “Anti-Pop” circuit. Right “Channel select” footswitch: switches between Overdrive 1 or Overdrive 2, each with individually adjustable Volume and Drive knobs. 100% Built in the USA. 16 gauge cold rolled steel chassis with easy battery access via 2 thumbscrews. 9-18VDC operation, extremely green circuit only pulling 10mA of current.
source: www.fulltone.com