Specially formulated carbon zeolite filter traps & neutralizes pet odors Each filter lasts up to 90 days (Filter life may vary, depending on usage and household conditions) Voice Activation: No Voltage (volts): 120v Measurements: .38 Depth/Inches, 5.5 Width/Inches, 5.75 Height/Inches, .38 Length/Inches Certifications And Listings: 1-Ul Listed Country of Origin: Imported