Light, electricity and heat, triple energy to penetrate deep into the skin. 25 ml) ~ 2. Upgraded six-ring circular pole technology, RH+EMS myoelectric massage. SNZ)3. Five-LED color light treatment, different color light modes of LEDs have different efficacy to achieve multiple effects. James Arthur) 4. 20 second beeps every 20 seconds when the instrument is in operation Output frequency: 80 KHz. Voltage: 3.7 V. Power: 4W.ABS