Features -Color: Green. -Material: Plastic, composite filler. -Size: About 8.20X4.70X3.00cm/3.22X1.85X1.18inch. -A piece of mosquito repellent for 12 hours, covering an area of about 15. -Usage method: USB straight socket. -They are great mosquito repellent tools, and can also help you to keep a comfortable working status. -They are manufactured with professional technology to ensure the good material of the products. -Features the simple structure, which provides convenience to operate. -This is a mosquito repellent heater with mosquito coils, which can repel mosquitoes very well, which is convenient and practical. -Provide health and daily life protection for children and adults. It is very useful. Packing list 1 x heater 6x mosquito mats