Made from natural citronella oil, this product is different from the usual mosquito repellents, as it requires no electricity, lighting, or spraying at all. It is safe and causes no harm to humans, animals and the environment. It does not contain DEET and therefore is reliable, environmentally-friendly and easy to use. It is suitable for both indoor (including air-conditioned rooms) and outdoor use. Each bottle can be used repeatedly for around 3 months.Functions:- Environmentally-friendly mosquito repellent for household indoor use.- First choice for mosquito repellent to prevent mosquitoes, flies and lice bite.- Made from citronella oil.- No need for electricity, lighting, or spraying.- Can be used repeatedly for around 3 months.- No DEET.- No harm to humans and animals.Hong Kong Pesticides Registration No.: 1P146(VP)Pesticides License Number (ALIC: 7342)