Feature: 1. ECO FRIENDLY: The cat litter box deodorizer requires no replacement or filters, is powered by low wattage and charges via USB, energy saving. 2. APPLICATION: Designed for small spaces, suitable for cat litter boxes, pet mats, shoe cabinets, kitchens, bathrooms, closets, living areas for other animals, etc. 3. INTELLIGENT SENSING: The deodorizer is equipped with a sensitive biosensing system that automatically turns it off when the cat approaches and turns it on when the cat leaves. 4. EASY TO INSTALL: Sturdy snap on design, the litter box deodorizer snap on cover comes with double sided tape on the back for hanging on any surface you like. 5. LONG BATTERY LIFE: Pet odor purifier has 4000mAh upgraded battery capacity that provides up to 9 days of battery life on a single charge, eliminating the need for frequent recharging. Specification: Item Type: Litter Box Deodorizer Material: ABS Product Size: Approx. 10 x 10 x 4cm / 3.9 x 3.9 x 1.6in Applicable Temperature: -10°C to 50°C Superoxide Output: 6mg/h Power Consumption: 0.8W Applicable Space: 10㎡ Power Supply: Rechargeable Lithium Battery, Capacity 4000mAh (Battery Included) Usage: Intelligent Pet Odor Purifier. Package List: 1 x Litter Box Deodorizer1 x USB Cable 1 x User Manual Note: Manual measurement, please allow some errors.