Just after 7 days of use,there have been only 5 gnats in the trap plus they were being even now alive!!! The charger broke off from the machine & I threw it during the garbage exactly where it belonged. Use fly paper. Help or Disable Cookies Marketing and advertising https://zappify-mosquito-zapper58990.blogaritma.com/28417293/the-greatest-guide-to-does-zappify-work