RF Skin Tightening Device Improve Elasticity Micro Current Face Beauty Machine 100‑240V US Plug Item Type: RF Skin Beauty Machine Material: ABS Size: Approx. 23 x 7.6 x 7cm / 9.1 x 3 x 2.8in Gear Adjustment: 1-5 Gears HIFU Frequency: 2.4MHZ RF Frequency: 3MHZ Microelectric Frequency: 100HZ Pulse Frequency: 200KHZ Functional Mode: HIFU: Focuses on the SMAS layer of the human body, so that the collagen in the SMAS tissue recombines without damaging the normal tissue, restores the elasticity of the skin, reduces the fine lines, and enhances the facial contour. RF: Send out 1 million microwaves per second, which can deeply warm the skin, promote subcutaneous fat decomposition, and quickly open pores for skin cleansing. Microelectric: Massage facial skin in a variety of modes to strengthen the skin lifting and tightening.