5V 1A Power Supply Adapter 5W AC/DC Wall Charger adaper,10ft Extension Power Cord Replacement with 5.5x2.5mm/2.1mm Plug, 5 Volt

Please note: The positive and negative poles must not be wrongly connected, as this will cause the equipment to not work . Input voltage: AC 120V (100240V) 50/60Hz. Output voltage: DC 5V . Output current: 1A. Output power: 5W. Cord Length: about 300cm (about 10ft). Output DC interface specification: 5.5x2.5 2.1mm (outer diameter 5.5mm, inner diameter 2.5 / 2.1mm). Output polarity: inner positive +, outer negative . Output ripple noise: 90mV.