Generic 0.56" Green Led Sign Electronic Digital Clock Display 4 Digits Car Vehicles 12V/24V Battery Operated Review

Generic 0.56" Green Led Sign Electronic Digital Clock Display 4 Digits Car Vehicles 12V/24V Battery Operated Reviewhttp://tinyurl.com/keqndnv Generic 0.56" Green Led Sign Electronic Digital Clock Display 4 Digits Car Vehicles 12V/24V Battery Operated Power Supply: DC 7-30VDisplay: Four 0.56 "LED digital tubeRefresh Rate: About 300mSTime Setting: Single button, sliding scale