1. High disinfection efficiency: spatial circulation disinfection, improving the degradation rate of agricultural residues. 2. Multi functional: and purification, deodorization, mold prevention, preservation, etc. 3. Ozone : Active oxygen and negative ions can double attack odorants, better eliminating residues. 4. Multi gear adjustable: Three gear adjustment to meet your different gear needs. 5. Portable: Small size, light weight, and easy to carry. Colour:White Material:ABS Size: 14.6 x 4.4 x 5cm Package Contents: 1 x Refrigerator Deodorizer 1 x charging cable 1 x hook 1 x Instructions in Chinese and English Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.