Bug zappers can definitely be used indoors - actually, that is certainly one of their primary uses. Chemical bug zappers, which lure bugs with harmful chemicals, are generally used outdoors to attenuate contact with children or pets. However, bug zappers that attract insects with ultraviolet gentle draw little electricity, are pretty inconspicuous (apart from the electric crackle when a bug is zapped), and can be utilized indoors or outdoors. Some appear like lanterns, some resemble little heaters, some run on batteries, and Zap Zone Defender some might be plugged right into a wall outlet. Some zappers come with a removable tray that catches the remnants of zapped bugs