Compact DENSO air purifier, cigarette lighter socket connection, with ion generation function. Plasma Cluster 25000 - Brand: DENSO - Type: Air Purifier - Color: White - Features: Ion generator - Power Source: Cigarette lighter socket - Operation Panel: LED display - Size: Compact Power on and operation confirmed; power is on and air blowing is confirmed. Used for about a year, but has not been used since then. There is no box or instruction manual, so please consider purchasing after looking at the photos. Returns and refunds are not accepted. Thank you for viewing.