IKOCO Lift Chair Power Supply Transformer SP2-B for Okin Compatible with older styles 3.00.207.036.00, 3.00.210.002.00. Works with BetaDrive and DeltaDrive Okin Lift Chair Motors. Battery Back up 9 volt batteries (batteries not included) Motor cable is Not included which is the 2 prong (one flat prong, one round prong) cable that goes from the transformer to the moto. Compatible with Part Numbers: W52RA73-290018, KDDY001, KDDY008, ZB A290020-B