Bug zappers can definitely be used indoors - in fact, portable bug zapper that's one of their foremost makes use of. Chemical bug zappers, which lure bugs with harmful chemicals, Zappify mosquito zapper are usually used outdoors to reduce contact with youngsters or pets. However, bug zappers that entice insects with ultraviolet gentle draw little electricity, are fairly inconspicuous (other than the electric crackle when a bug is zapped), and can be used indoors or outdoors. Some appear like lanterns, some resemble little heaters, some run on batteries, and a few can be plugged into a wall outlet. Some zappers come with a removable tray that catches the remnants of zapped bugs