Bug zappers can actually be used indoors - the truth is, that is one of their principal makes use of. Chemical bug zappers, Zone Defender which lure bugs with harmful chemicals, are usually used outdoors to reduce contact with youngsters or pets. However, bug zappers that attract insects with ultraviolet light draw little electricity, are pretty inconspicuous (except for 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, Official Zap Zone Defender and some might be plugged into a wall outlet. Some zappers include a removable tray that catches the remnants of zapped bugs