Fdit is a selfless and careful home-kitchen supplies craftsman,he devotes himself to provide the top-notch home-kitchen supplies to the common folk.We take each order seriously while our customers choose our product, because it is about your convenient life.This is not a joke,we believe you care your family greatly! Descriptions:Our Mini air cleaner sterilization can help to eliminate and retard mold, mildew, fungus growth and provide a fresh clean atmosphere in refrigerator. And it's mini size is space-saving, compact and portable for your convenience anywhere. It's a great travel, car,home helper.Specifications:Specifications:Function: Sterilization and deodorizationMaterial: ABS+Metal Paint GrilleColor: green/blue/pink/black/yellow/whiteBattery Capacity : 700mAhOutput current: 40mAhCharge time : 3hRated power: ≤1w Product voltage: DC/5vSize: (D x H): 90mm x 30mmWeight: 180gPackage include:1 x Doughnut Air Purifier 1 x USB Cable 1 x User Guide 1 x Hang RopeNote:1.There are many factors may affect the purify results, such as putting too many irritant odor foods, open refrigerator regularly, purifier power off,etc. Please ensure it working in a normal environment.2.Please place the device into the top layer inside refrigerator, thus to ensure a better working efficiency.3.When used for refrigerator, please place the device in the cooler chamber, not in the freezer.4.Please do not take out the product regularly due to the temperature difference , thus to ensure it a longer service life.