Portable UV Handheld Home Travel Ozone Sterilizer $ 17.58 Germicidal lamp: UV-C 253.7nm with ozone Irradiance:> 300 * 90% uw / cm2 (5cm distance 253.7 wavelength) Power: 1W Dimensions: 37.5x37.5x98mm high-unfolded 141mm Battery: 600 mAh / polymer lithium battery Endurance: 45 times / 2 minutes (90 minutes) USB charging: 5V 1A outer box 40 pcs