TC Electronic Blood Moon Phaser - Vintage Analog Four-Stage Phaser PedalBLOOD MOON PHASER Vintage Style Phaser Pedal with Four Stage Filter and All Analog Circuit Vintage style phaser pedal Classic four stage filter design Legendary, all analog circuit True Bypass for ultimate signal integrity Built like a tank metal chassis Runs on 9 V battery or the TC Electronic Powerplug 9 (not included) 3 Year Warranty Program* Designed and engineered in Denmark