Dream Ray gold ultrasonic all the functions used in HOME. Search “derma manager” in the App Store/Play Store. Smartphone connection available. Skin moisture level check / Skin condition diagnosis / 24K gold plating / Prevention of metal allergy / Powerful ultrasonic peeling 30,000Hz~33,000Hz Ion feeding in galvanic mode / nourishing effect / Green LED & red LED therapy function Six features available: cleansing, nutrition, firming up, moisture check, green LED therapy, red LED therapyThe green LED light is activated when using the nutrition mode. This effectively helps to brighten the skin when using the firming up mode, and the red LED light effectively helps skin sterilization.Regeneration light peeling and cleansing The force of the water explosion caused by ultrasonic waves vibrating at 30 to 33khz per second cleans the skin. It is good for exfoliating the skin and cleansing waste materials.Effective entry of nutrients into the skin to tighten the pores and give it more flexibility.Iontoporesis therapy penetrates nutrients deep into the skin. It effectively injects water-soluble nutrients(vitamin c etc.) and fat-soluble nutrients(vitamin A, retinol, etc) into the skin for soothing(nutrition) and reducing pores (firming up) Skin moisture measurement You can measure the moisture in the skin by interacting with the smartphone