Feature: Bed bugs breed in warm, moist environments. Your bed can harbor these pests. They can cause discomfort and may contribute to allergic reactions such as hay fever, dry eyes, eczema, cough, and rhinitis. They feed on blood while you sleep. Eliminate these pests without using harsh chemicals or disrupting your daily routine. Rest easy with a device that helps protect against bed bugs, dust mites, and insects by emitting ultrasonic waves that affect pests' nervous and auditory systems. These waves are inaudible to humans and pets. The device uses a microprocessor to create a protective zone in your home. It emits ultrasonic pulses with randomized digital sequences that help prevent pests from breeding and feeding. The frequency mode changes automatically, helping prevent pests from adapting. It has low power consumption and is designed for long-term operation. Protect your home from common household pests with minimal effort. Specifications: Method: Ultrasonic 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 3.78in Generates ultrasonic frequencies effective within the specified range for mite control Suitable for homes, restaurants, hotels, hospitals, etc. Material: Plastic Pattern Type: Solid Age Range: Not applicable Package List: 1 x Dust Mite Killer Device