Pic IRD Mosquito Repellent Diffuser, 2-Pack Citronella Plus Naturelis mosquito repeller Helps repel mosquitoes for up to 72 hours Adjustable scent strength Works by emitting an aura of natural plant-based essential oils Mosquito repellent diffuser Contains 100 percent natural ingredients Repels mosquitoes for up to 120 hours Effective and easy to use Fresh clean scent last for hours