Features: brand new and high quality Auto-sensing: 120-degree sensing angle, real-time sensing of pet in and out moments, active deodorization, continuous odor suppression. It is suitable for various occasions that need deodorization, such as litter box, pet house, shoe box, kitchen, toilet, closet, closet, bathroom, car, pet area, etc. The 2-level mode meets different deodorizing effects. Use ozone and negative ion generator to remove peculiar smell. The deodorizing air purifier automatically runs every 30 minutes, bringing you a 24-hour for fresh living space. The for smart pet deodorizer can hardly hear any sound when it is working (> 5dm, safe and comfortable. Two installation methods, screw and non-marking sticker, are convenient for installation and disassembly. Specifications: Material:ABS Plastic Color:White Size: Approx. 11.2x6.5x2.7 for cm/4.41x3.54x2.56x1.06 inches Note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding. Package includes: 1 x for Smart for Cat Litter Odor Eliminator 4 x AAA Batteries