Bug zappers can definitely be used indoors - in fact, that is certainly one of their important makes use of. Chemical bug zappers, which lure bugs with dangerous chemicals, are generally used outdoors to minimize contact with children or pets. However, bug zappers that appeal to insects with ultraviolet gentle draw little electricity, are pretty inconspicuous (other than the electric crackle when a bug is zapped), and Defender by Zap Zone can be used indoors or outdoors. Some appear like lanterns, some resemble little heaters, some run on batteries, and Zap Zone Defender Setup a few can be plugged into a wall outlet. Some zappers come with a removable tray that catches the remnants of zapped bugs