It is made of ABS. The 7-leaf silent fan runs, and the mosquito repellent incense liquid volatilizes faster. Internal and external circulation diffusion system, covering an area of 10-35m2, with power of 5W, 0.005 kwh per hour, 0.12 kwh per day and 3.6 kwh per month. The timing can be set to 8 hours. PTC heating element is the golden partner of mosquito repellent liquid, with high heating efficiency. It is suitable for anyone. It is suitable for use in the bedroom. 4.72" L x 2.76" W x 2.76" H