... powered off after continuously working 2 hours to let the laser diode cool down.4,to keep the body of this unit clean ... Auto beam ,Auto animation, sound active master/slave300mw flash RGY Laser stage lampVoltage AC220V-240V 50-60HzLaser power 530nm50mw+650nm100mwPlay mode ... - 50-60HZ, 240V/output: 5V, 1.5 A2. Laser: wavelength 532 NM, optical power 650NM 50MW, wavelength, optical power 100MW3. Size: 130 ...