– Skin Firming Mode: Fat Eraser can use red light, radio frequency to reach the dermis layer to eliminate wrinkle and quick weight loss.– Shaping Mode : Uses vibration to transmit movement instructions to fat layers, burn fat, and shape body curves to firm skin.– Radio Frequency Function: RF have an effect on shrink collagen and tightening skin.– Fat Burning Mode : High frequency can penetrates into the body’s fat layer, promoting the burning of subcutaneous fat and excluding out of the body.Note:Please do NOT use this item on your head, neck,collarbone, chest (especially round your heart), elbow, wrist,ankle, feet, and backbonePersist on using this device to get a better effectPlease also keep on a healthy diet and exerciseFrequency1MHzTechnologyRFVoltage100-240V; 12V/400MACavitaion frequency33KhzLED length635nmPower4.2W