Our cellphone are cover in millions of harmful bacteria cells, lurking all over the device. Protect yourself and those closest to you by sanitising your phone regularly, UV sanitiser can kill 99.9% of common household germs such as staph, E. coli and salmonella in 6 minutes. Here are the rating specs: 1. Rated input: DC 5V/1A; 2. Sterilization power: 2 x 1W; 3. Aromatherapy power: 1W; 4. Maximum power: 9W; 6. Working temperature: -10 degrees to 45 degrees celsius; 7. Ultraviolet tube: ultraviolet tube; 8. Ultraviolet wavelength: 253.7nm