Puntatore laser blu messa a fuoco regolabile 450NM raggio visibile con caricatore e batterie e scatola
Wave length：450nm. Laser Pointer. Model No: THSBT9 (Bule Laser Pointer). 1: The laser IS bright! 2: Just like the laser pointers you use to play with your pets, you should ALWAYS avoid direct eye exposure to laser beam.