Thermacell is safe for humans and pets, so there is no need to worry about that. You need to charge the units before use, and you can only use batteries if you are camping. Switch off the unit ...

In particular, the Thermacell E55 Rechargeable Mosquito Repellent caught my eye, as it's designed to create a 20-foot zone of protection against mosquitoes without having to put any spray or ...