<ul><li>Operating voltage: 3.7 V DC Working Humidity: 30-90% RH Working Current: 150mA Input voltage: DC5V Input Current: 450mA Battery capacity: 1200mAh 1 Turn on the product, the power indicator lights up, in the dark environment, only the power indicator lights up when people approach and when people leave, after a while, ultraviolet light lights up, 2. The machine will only do anti-virus work when there is no one without light. When someone runs out, the machine will automatically charge. 3. Install the toothpaste, twist the toothpaste clockwise to fix it. 4. Once the toothpaste is set, squeeze the toothpaste firmly. until the air inside the device is expelled. You can see the toothpaste can come out. After charging once, the rest is basically charged by light energy. <ul><li>Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.