Active oxygen and negative ions deodorize in 3 seconds, reaching millions of levels. Cat urine odor is primarily caused by odor sources like hydrogen sulfide. Negative ions purify and activate active oxygen molecules in the air. Fragrance-free deodorization, no burden, and . Enhanced odor removal module safely releases 03+02, more precisely targeting and decomposing odor-causing substances like hydrogen sulfide, ammonia, and skatole in cat feces, producing non- and odorless substances. Large-capacity 4000mAh battery with 15 days of battery life. Remove and charge the litter box when cleaning. Multiple mounting options. Swivel lock buckle on the back provides a secure, reliable fit that 't fall off. Color:As Shown Material:plastic Package Contents: 1 * cat litter deodorizer 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.