3 Boards 275nm UVC LED Module for UVC Disinfection Lamps with USB Power Supply Board Deep UVC LED Violet Light Sterilization 285nm DC 5V 500-1000mAh Lamps - China 275nm UVC LED Module
Precio Shelly H&T + USB NERO - Shelly Espana
SHELLY – EcoRobotics
Shelly | Facebook
Shelly USB-Powered Ultraviolet-C (UVC) Disinfecting LED — ameriDroid
Shelly USB powered UVC LED
Measuring UV-C For About $5 | Hackaday
Measuring UV-C For About $5 | Hackaday
Shelly USB-Powered Ultraviolet-C (UVC) Disinfecting LED — ameriDroid