POWERFUL UVC - The 253.7nm wavelength UVC Box effectively cleans Earphones, Keys, Towels, Mask, Baby Bottles, Keys. 3-SPEED TIMER - Cleaning machine features 5/15/30-Lever timer function, allowing automatic complete without the need for supervision. VISIBLE WINDOW - The UVC Bag has a visual window, enabling you to observe the UV light operation at any times. CONVENIENT AND PORTABLE - The UVC box is foldable and portable, with an adjustable strap, making it ideal for outdoor use. CAUTIO - Avoid direct exposure of eyes and skin to UV. Remove the product after turning off the machine. The 253.7nm UVC bag, featuring a 99% rate, ensures family safety by effectively cleaning bacteria. It includes a 5/15/30-minute timer for automatic disinfection, a visual window for monitoring the UV light, and is foldable and portable with an adjustable strap for easy outdoor use. The 1-year warranty covers free replacements for damaged lamps.