... to human and environment.Power Supply:220V~110V, DC12Vwith Vehicle Cigar-Lighter 50-60HZ.Applicable place:DJs, Bands, Bars, Pubs, Clubs ... to human and environment.Power Supply-- 220V~110V, DC12Vwith Vehicle Cigar-Lighter 50-60HZ.Applicable place--DJs, Bands, Bars, Pubs, Clubs ...