Product: Odor Purifier Size: 9.2 x 9.2 x 4 cm Efficacy: Deodorant Specifications: 4000mAh charging model Charging Method: USB Charging Voltage: 5V Battery Life: about 15 Days Sensing Distance: 1.2m/3.93ft Running Sound: less than equal 20dB Deodorization Rate: equal 99% Rate: equal 99% Release Concentration: less than equal 0.05ppm Occasions: Various cat litter boxes, Places that need to be deodorized Colour:As Shown Material:ABS Package Contents: 1 * Odor Purifier 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.