... thickness50mm,75mm,100mm,150mm,200mmSteel coverstuccom embossed aluminum,painted galvanized steel,stainless steel,PVC stellPanel connectioncam lock type, use hexagonal key to ... necessary fittings are included, optionalPlace to assembleindoor/out door(concrete construction building/steel construction building)Voltage220V/50HZ, 220V/60HZ, 380V/50HZ optional