Patented Electric Lightstick, the FX has 7 pre-programmed functions, virtually unbreakable, waterproof to an amazing 11,000 ft. Uses one 12V A23 battery that lasts over 30 hours of constant use. Visible light of the Blue LED's up to one mile and beyond. 2.75 in.x 0.75 in., 0.075lbs
