Bug zappers can definitely be used indoors - the truth is, ZapZone Defender that’s one in all their most important uses. Chemical bug zappers, which lure bugs with harmful chemicals, are usually used outdoors to attenuate contact with children or pets. However, bug zappers that entice insects with ultraviolet gentle draw little electricity, chemical-free bug control are fairly inconspicuous (apart from the electric crackle when a bug is zapped), and can be used indoors or outdoors. Some appear to be lanterns, some resemble little heaters, some run on batteries, and some can be plugged right into a wall outlet. Some zappers come with a removable tray that catches the remnants of zapped bugs