Deerma Dust Mite Vacuum Cleaner EX919 Bed Handheld Remover HEPA UV Light Mites Kill Controller Specification Deerma EX919 Equipment. Effectively remove bed dust and mites debris, Utilize ultraviolet light and ultrahigh frequency vibration to effectively kill mites and suck out the corpses of deep mites, Professional UV sterilization, 253.7nm wavelength, effectively eliminating mites, Intelligent sensitization technology to prevent UV leakage, safe to use. , , High precision silent motor, multiple shock absorption and noise reduction technology, quiet and not disturbing.