but I can not burn matches or blow bubbles?
I do not know, this is the first time I used the laser. Although I have removed the diffraction, but still can not burn
< 2000mW, 532nm
buy at Dhgate: Wholesale 2000MW 1PCS red laser pointer Green laser pen light matches battery charger box 302, Free shipping, $36.57-75.81/Piece | DHgate
You can show me where to buy laser (ship worldwide) (burn)? I am not in the U.S.