Feature: Bed bugs breed in warm, moist environments. Your bed can harbor these pests. They feed on blood while you sleep. Eliminate these pests without the use of harsh chemicals or major changes to your routine. This device helps protect against bed bugs, dust mites, and insects by emitting ultra waves that affect pests' nervous and tory systems. These waves are inble to humans and pets. The device uses a microprocessor to generate ultra pulses with randomized digital sequences that disrupt pest behavior and reproduction. It continuously changes frequency to prevent pests from adapting. Designed for long-term use with low power consumption and durable operation. Suitable for use in homes, hotels, restaurants, and hospitals. Specifications: Method: Ultra Wave Voltage: 110-220V Power: 1-3W Coverage: 70 square meters Frequency Regulation: Automatic frequency conversion Size: Approx. 5.5 x 3 x 9.6cm (2.17 x 1.18 x 3.78 inches) Material: Plastic Includes: 1 x Dust Mite Killer Device