... and reliability, Theres no optic pollution, no loss of power coupling, adopt air cooling system. Long laser ... less than any conventional laser. 3.Zero maintenanceNo need of any maintenance, such as adjusting, cleaning lens etc. ... automobile accessory, cell phone keypad, hardware, precision instrument, gift ornament, surgical instrument, etc.Technical parameters:Max.Outout Powe:Pulsed 10WLaser ...