Description Safe, Effective Eco-Friendly --- Our UV light disinfects surfaces around you without any chemicals, residue, odor, pollution or use of water, making it very safe to use everyday for both you and the environment. Name: Foldable UVC Sterilizer Color: As Shown Power: 3W UVC Wavelength: 253.7nm (UVC) Voltage: 3.7V / USB Power: 4 AAA batteries (not included) or USB interface Disinfection area: Less than 10cm (59 seconds per time) Product size: 24 x 3.4 x 1.5CM (unfolded) 13.5 x 3.4 x 2.5CM (closed) Weight: 106g Service life: 20,000 hours Material: ABS Package Contents: 1 x Foldable UVC Sterilizer 1 x USB data cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.