This heater works automatically and warming up my cold room, thanks for making a quality product. And this product was delivered a week before the schedule date , and I appreciated very much, thank you for your help and support. Another satisfied customer from Newyork City

zaps insects alright. very powerful. but I don’t see it’s effect on attracting insects into it to be killed. I’m still using to monitor how effective it’s attraction to mosquitoe and other insects is.