uxcell Refrigerator Odor Absorber Air Purifier Healthy Choice Ozone output: 3.5mg/hr; use four AA 1.5V batteries( not included); Voltage: DC == 6v Timing: ON 10sec, OFF 30min; Air flow: ion jet; Negative ion output: Ix 10*10sec, 10 ions/sec Size: L95*W50*H152mm; Rated power dissipation: 0.6W Operating temperature: -5-40 Degree Weight: 180g