Parameter: Input: AC 100-240V, 1.5A, 50/60Hz; Output: DC 29V 2.0A. This 29V2A recliner power supply compatible with Part Numbers: ZBHWX-A290020-A ,ZB-A290020-A, ZB-A290018-A, ZB-B290020-B ,W52RA73-290018, KDDY001, KDDY008, This 29V2A recliner power supply fully Compatible with OKIN, Limoss and Tranquil Ease Lift Chair,Cheers electric sofa and Power Recline DeltaDrive and BetaDrive Motors with a two pin (flat & round) connection to the motor This 29V2A recliner power supply UL / CE / FCC / RoHS certified, UL LISTED: Tested,Anti-overheating Protection,Anti-overvoltage Protection,Anti-overcharge Protection,Anti-overcurrent Protection The green light on the adapter shows up for several minutes when it is disconnected from the electric. But it is safe and will increase the effective power of the item.