The WIWU WI-SH004 IRON MAN ELECTRIC SHAVER has a 3W motor that is run by a 500mAh battery and is made of zinc alloy. Enjoy IPX7 waterproofing and a 1-year warranty. Measuring just 160g, its Ronin quenched grinding head and 18K/3D curved knife net allow for a close, accurate shave without risk. Adhering to the GB4706.1-2005 specifications.