System Features:- Automatic Operation Button- Soft Touch Screen Pad Controllers- Treatment Modes: Massage Mode and Blood Circulation Mode- Optional Care Buttons: Foot, Calf, Knee, Thigh- Precise Compression by a Digital Pressure Sensor- Digital Pressure Intensity IndicationCaution: Should not be used longer than 30 minutes This item is Korean Version which only works at 60Hz.It does not work at 50Hz. (If you connect with 50Hz, all LED will be just flickering, instead of working)Product SpecificationThis item is Korean Version which only works at 60Hz.It does not work at 50Hz. (If you connect with 50Hz, all LED will be just flickering, instead of working)Model: Dr. Life V7Body & Cuff Color: PinkRated Fuse: T2AL 250VPower: AC220 ~ AC240V / 60Hz / 50VABody Size: 260 x 180 x 130 (mm) Body Weight: 2KgPackage Weight: 5.5KgLef Cuff Size (L) for Unisex: Circumstance (Thigh): 62cm x Total Cuff length (from Heel to The End of Thigh): 75cm Arm Cuff Size (L) for Unisex:Circumstance: 50cm x 88cmWaist Cuff Size (L) for Unisex:Circumstance: 123cm x Cuff Hight: 38cm Manual: Korean manual is included.Contents:1 x Body 2 x Leg Cuffs1 x Arm Cuff1 x Waist Cuff2 x Foot acupressure stick1 x Double hose1 x Single hoseIf your country use 110V, You need to use a Converter (Transformer) to change the voltage.Instruction:- Set a lvel with the controlling dial whilethe light on the buttons blink.- Choose a mode in Massage/ Blood Circulation.- You can select a 1 chamber or 2 chamber or 3 chamber or 4 chamber for Choose care. You can see the Demo for this Product at : https://www.youtube.com/watch?v=pMf3e7mlaVY*NoteYou need a step up Voltage Converter for 110V(ex, USA,Canada)