FEATURES: -Smart, lightweight, multi array motion sensor, mounted onto the rail of a pistol -Helps a shooter track, control & improve muzzle movement management -Provides realtime feedback, guidance, improvement tips & tracks progress over timeOTHER FEATURES: BLUETOOTH TECHNOLOGY RECHARGEABLE 6 HR RUN TIME 9 AXIS MOTION SENSORS TRACK MUZZLE MOVEMENT/PROVIDES REAL TIME FEEDBACK TO PHONE OTHER FEATURES2: TRACKS ACCURACY GROUPING CORRECTIVE FEEDBACK EACH SHOT TRACKS MUZZLE MOVEMENT CONTROL DO NOT NEED A TARGET/GROUPING IS TRACKED ON PHONE