100% Brand New Professional high power red laser pointer, you can put it underwater 0.5m . Three layers of mirror, changeable focus ( from 1cm to infinite distance) , lower power dissipation, good....
High Powered Laser Pointers, green laser pointers, red laser pointers, 532nm, 650nm
Available color: Pearl white or Black Dimensions ( L x  ¦ ) : 140( L) x 13.5(  ¦ ) mm Battery Life: 6 hours Wavelength / Power: 532nm/ 50mW Operation: ON/ OFF touching button Project distance : 25000feet away.....