... ultrasonic with different frequency, for weight loss, fat removal, Working systems 1) E-light handle for hair removal, freckle ... hard hair removal 2) Bipolar RF(16/32mm diameter)working system for skin rejuvenation, wrinkle removal, body shaping and weight ... (adjustable)Sub-pulse duration0.5-10msPulse Space1-50ms (adjustable)Cooling system Semiconductor+ wind + water +cooling gel+ sapphire filtes ND ...