... attractive design, take no space. Indoor Negative Ionizer with Filter Installation: Plug in the power socket, If the LED light is on, it ... movement technology, remove odor and dust, kill bacteria. 2. Cordless plug, compact, attractive design, take no space. 3. Built in ... and creates offensive odors. YL-100C, fill up the air with negative ion, catch the positive particles, and activate oxygen, ...