... right depth set by default. Equipped with 5 heads( DS-13.0mm,DS-4.5mm, DS-3.0mm, DS-1.5mm,E1.5mm)Produces thermal ... s totally non-invasive and safe.Treatment Heads:1. DS-1.5/ E1.5mm is used to transmit high-energy focused ultrasound ... 25mm(1.0mm/step)Ultrasound Wavelength7MHZ,4MHZEmitterDS-1.5; DS-3.0; DS-4.5; DS-E1.5; DS-13.0Cartridge10000 shotsFunctionsFace lifting, skin rejuvenation, wrinkle removal ...