1. UVC LED 275nm features: A. Efficient: The effect of sterilization is up to 99.9% during a short period of time. B. Energy saving: Compared with the traditional fluorescent lamp, energy saving is 80%. C. Environmental protection: Non-metal gas or harmful substances emitting technologies. D. Long life. 2. DUV LED 275nm Note: A. Do not touch the LED, or will affect the normal light-emitting devices B. Power devices must confirm the positive and negative, reversing polarity may damage the device C. Strictly operate in accordance with electrical parameters too high voltage may damage the device D. DUV LED status should be avoided close observation with the naked eye.