how to get rid of mosquitoes device

Mosquitoes have been always a problem in towns, one of our problems since we went trip to india and we have garden around the hotel so plants do bring them around
why staff can’t seem to get rid of those pesky not sure why
is it so getting rid of these things
We had already installed a screen door to the window this problem but it reduce the numbers not the mosquitoes started not to leave the hotel without a lotion one of the staff told, us about
just spray it on you.

bought an electric device also to make our room in hotel safe

but it did can really kill any flying insect that touches it. 

to have used the product. Although the Plug-in Device for the mat is quite expensive, the mosquito mat itself is economical to use. One Electric Mosquito Killer can cover and protect an area of 20 square meters and work continuously effective up to 8 hours. What’s more economical, a box of this highly effective Mosquito machine no need to refills that is just priced at 10 dollar per box.