Æ Features: The laser beam are controlled by sound active with advanced design program, more than 50 laser patterns, over 200 laser effects. The panel has LED indicator for sound active. The laser will shut off laser when the music stops ÆScanner: Micro-step motor scanner, big angle scanning ÆLaser: 20~30mW 532nm wavelength green laser ÆPlay Mode: Sound active ÆPower Supply: 100~250V, 50/60HZ, 20W ÆSize: 50*260*100mm ÆWeight: 2.8Kg ÆApplicable for Disco, Clubs, KTV, Pub, Bar, family party, ect