soundless. Product and properly checked before despatch. Direct plugin. Low electricity consumption. Independently tested and certified to emc and all relevant american standards, it is an effective and safe insect killer to rid of any flying insects at home or in commercial areas. Direct plugin. Low electricity consumption. . Soundless. Product and properly checked before despatch. A practical, efficient, hygienic and automatic electronic insect bug zapper system is formed through a accurate frequency of blue light to attract flying insects and a charged grid. Electronic ultrasonic no mats, no chemicals, no sprays. No fumes, no daily expenses, no smells. Portable, easily fits bags.