120V AC wall-outlet power supply, 500 mA, for DM and DMR products.Specifications Power: 120V AC → low-voltage Technology: needlepoint bipolar ionization (NPBI) Genuine Air Plus part for Air Plus needlepoint bipolar ionization (NPBI) systems.Free standard shipping is included in the price. Ships factory-direct from Air Plus (Monroe, CT); typical lead time 1–2 weeks. Need it faster or need fitment help? Email parts@rapidhvacparts.com.Backed by the Air Plus manufacturer warranty. Genuine factory product, sold and shipped by RapidHVACParts.