Power your Walthers Cornerstone HO or N Scale Turntables (sold separately) quickly and easily with this plug-in wall unit featuring: Installs in minutes - instructions included Independent 800 ma 16VDC filtered power supply Includes adapter cord to connect to turntable Positive contact barrel-type connectors Intertek listed Made especially for use with Cornerstone HO 90′ (933-2860), 110′ (933-2851) and 130′ (933-2859), and N Scale 130′ (933-2618) Motorized Turntables, each sold separately - may also be used with earlier N Scale 130′ 933-2616, HO 130′ 933-2850 and HO 90′ 933-2849 Turntables. See the current selection of Walthers Cornerstone Motorized Turntables here! PLEASE NOTE: Unit operates on 120V (standard North American house current) only.