Bacterial cleaning function Using ultraviolet light to remove bacteria covering surfaces. Maintain cleanliness in the room, closet, and household items to avoid the spread of viruses and bacteria. Foldable design Lightweight clamshell design saves space and can be used at any time. Easy to operate Simple operation, just press the switch button to turn on the light. Automatic switch With built-in automatic safety switch, when the lamp tube of the germicidal stick is facing upwards in the working state, the UV lamp is automatically turned off. To restore to the working state, just rotate the lamp of the germicidal stick to face down. Two ways of power supply It can be powered by USB connection (cannot be charged), and also supports 4 AAA batteries.