Puntatore laser blu BX4 450nm messa a fuoco regolabile &batteria &caricabatterie&occhiali&5 stelle
Wave Length： 450nm. Battery Direction： The Battery "+" Is Toward End of The Laser Pointer. 1 Blue Laser Pointer. Flare Forms： Plaque-Forming - Circle. 1 Red Safety Goggles. Laser Color： Blue. Focus Mode： Adjustable Focus.