Compatibility: 9V 1A switching DC power cord 9W max universal power AC-DC adapter, works for the extensive equipment, which fits for 9v less than 1A power adapter, such as 9V 1000mA, 950mA, 900mA, 850mA, 800mA, 750mA, 700mA, 650mA, 600mA, 550mA, 500mA, 450mA, 400mA, 350mA, 300mA, 250mA, 200mA, 150mA, 100mA, 1A, 0.9A, 0.8A, 0.7A, 0.6A, 0.5A, 0.4A, 0.3A, 0.2A, 0.1A electronic devices Specification: Input: AC 100V-240Volt 50-60HZ Output: DC 9V Max 1A (1000mA), Plug Size: 5.5mm 2.5mm (applicable 2.1mm) the US standand wall plug, 4.9 FT extra long enough power cord, 10 Interchangeable Jacks, 9v ac adapter power cord to dc charger, regulated dc 9v power supply, which can be extensive compatible with most of your 9v dc adapter input devices 10 Interchangeable DC Jacks: Selected 10 pieces various jacks which can be used for most of your 9V 1A DC electronic devices, dc 9v power cord with 10 pieces dc jack dimensions and one polarity spare line to solve your differnet polarity issue. Please DOUBLE CONFIRM the DC jack dimensions to ensure the compatibility of your devices Reliability: The replacements for 9v ac adapter power electronics charger are conformed to the standard of CE and FCC listed. 9V 1A charger for electric equipments has built in surge protection, over current, over voltage, short circuit over temperature protected program What You Get: 1 piece 9V 1A Max Class 2 Universal AC to DC Adapter, 10 pieces Interchangeable DC Jacks, 1 piece Polarity Spare Line, 1 unit Instruction Manual. If you have any questions about our dc 9v adpter for your electronic equipment, please feel free to contact us before you order DC 9V Power Cord