Great for night time, when it's totally dark
Verifed Post by Sarah Ann Everson
Published on 23 Sep, 2018
711TEK Moaquito Killer, USB Powered Non-toxic UV LED Insect Killer, Electronic Mosquito Trap Lamp, Bug Zapper with Eco-friendly for Indoor & Outdoor Use Black
It cleared out the garage where I plugged it in overnight with to h all the doors shut the trap was full of mosquitoes. However theu prefer to be on you if youryo near the trap wbilw it's on.