... 3.Low power battery supply Product Name:Home mini Cabinet Air Disinfector Product Usage:Ice-box, Refrige-rator, cabinet shoes, ... low temperature will appear water; because of meeting outer hot air. the water will make product. corrosion, make battery Decomposed, and ... & OPERATERemove the battery door on the bottom of the unit, install 4 pieces “AA” 1.5V high-quality alkaline batteries. (purchase ...