Aluminum alloy Detachable LED hand piece 6 Scaling Tip Free Detachable h/p can be autoclaved under the high temp. & pressure (135 degree c, 0.22Mpa)Tech Info:Adupter Input : 230V, 50/60 HZOutput Power : 3W to 20WAtmospheric Pressure : 700hpa to 1060hpaOperating mode : Continuous OperationNo Crac..