4 beauty systems into 1 machine: Elight,RF,laser, ... advanced technology. 3 different working systems go with this equipment. 1. E light(IPL+RF) for hair removal, ... 480nm/530nm/580nm/590nm/640nm/690nm(optional)Operating interfaceE-light:8.4" True color touch screenLaser:5.1 ... coolingInput power:AC 220V(110V)/ 15A 50HZ(60HZ)Light source:Intense pulse lightWavelength:480,530,590,640nm1200nm (standard)430, ...