Specifications: 1.Power consumption:0.5W 2.Tube life:≥8000hrs 3.Working temperature:0-50 4.UV strength:≥250μW 5.Ozone density:≥0.01ppm ≤0.05ppm 6.Power source:2XAA batteries 7.Product size:222X63X29mm 8.Weight:110g Features: 1.6-8 minutes to kill germs & bacteriaup to 99.9%(include SARS & H1N1); 2.Safety switch easily operated by all ages; 3.Portable design blends 1 toothbrush & 1 toothpaste; 4.Long life UV light never needs replacing.