Using UV sterilizer light, 360° wider beam angle, it completely removes odors and dust particles, effectively improve your living environment Efficiency Made of quartz material, no Ozone 253.7 nm wavelength, long service life, high transmission rate and better sterilization effect. Note: When the germicidal lamp is turned on, please leave the place of use immediately and keep the environment without any animals and plants. Do not look directly at the germicidal light source. Absorbing too much ultraviolet light can cause skin irritation and conjunctival damage. How to Use: Press the button to start the machine. Tap the button again to select the disinfection time. 15-minutes/30-minutes/60-minutes. After selecting the time please leave in time, the light on after 20-seconds. Remote Control. After the power is turned on select the time and the disinfection lamp will be on automatically 20-second later. Remark: When the remote control is in use the key will not be on, only the indicator light of the disinfection table lamp panel will be on according to the use situation.