1: Boiler and water tank separated, water through water pump to the boiler. 1: Boiler has technical patent. Size is small while heat up time is quick, 1 Minutes is enough. 2: Water can be filled when machine is working 3: Steam can be adjustable freely during usage 4: Four level protection to ensure user¡¯s safty. 5: Alarm when water is short or dry 6: Microcomputer PCB control. 1pcs/ctn, weight:7.5KG, Dimenstion:540*310*270 mm.