As the weather gets warmer, we have to deal with more annoying mosquitoes and bugs. The Kincho Braaa Canox Wearable Mosquito Repellent may be able to help. It uses cartridges that are good for 240 hours. Simply attach this to your bag or belt, and you are set.
This mosquito repeller uses metofluthrin as active ingredient. It is powered by 2 x AAA batteries. It weighs only 105g. You can find out more about it here.