This product can deep into your eyes skin for 3 millimeter with a crossing distribution, then form a circular magnetic field, which will effectively improve the microcirculation of the eye and braim and remove eye wrinkles, dark circles, protect your vision and improve your memory. Thus it is suitable for every members in the family. Technical parameter: Power: within 5 W AV: 200V-230 V Frequency: 50-60 Hz Packing size: 21*15*11 CM Each gross weight: 8 KG