TECHNOLOGICAL FEATURES innovative UV-C LED technology automatic double level of treatment: 3 minutes for standard disinfection, 2 minutes more for a deeper disinfection automatic activation with the placement of the stethoscope double control system - optical sensor and mechanical - for use in operational safety conditions; microprocessor for irradiation and security controls special polycarbonate body light weight (100 grams) and pocket sized operation light indicator: ongoing treatment, treatment complete, low battery, malfunction rechargeable battery with standard micro USB cable high battery autonomy.