Electric mosquito killer bulb

Mosquito killer bulb. No chemicals used, electrocutes. Has sharp blue purplish light that attracts insects that are subsequently electrocuted.  Kills all types of flying and crawling insects like mosquitoes, cockroaches, moths, flies, etc. Has 2 modes; ordinary light bulb mode and insect killer mode. Uses same switch to operate both modes. Very effective. A must have in every home.