Product Manual: This AC to DC regulated switching power adapter converts 100-240VAC to 24VDC, at a maximum output of 2.5A (60W). Specifications: Input Voltage: 100-240 VAC, 50/60 Hz Output Voltage: 24 VDC Output Power (max.): 60 W Current, Full Load: 2.5 A DC Plug Outer Diameter: 5.5 mm DC Plug Inner Diameter: 2.5 mm and 2.1 mm (with spring clips) DC Plug Polarity: Center positive Color: Black Cord Length: 4ft/120cm DC side, 4ft/120cm AC side Dimensions: 4.9x2.1x1.2 in / 11×5.3×3.1 cm Compliance: UL, CE, FCC Applications: for 24V 24w?60w Electronic devices, Such as LED light, Light string, Printer, Electronic cutting tool, Speaker, Polk and Vivzo soundbar etc, CCTV camera, 3D printer, Humidifier, Atomizer sweeper, Water purifier, LED LCD monitor, Soldering iron, Constant current drivers, Rachio sprinkler, Security cameras, DVR NVR surveillance system, Mobile hard disk, Medical machinery, Computer speakers, Digital photo frame, electric car, electric toy, Industrial equipment etc. 5 rounds of testing for every product to ensure quality: 1, component testing 2, semi-finished product inspection 3, assembly product test 4, finished product inspection 5, product inspection before leaving the factory Please feel free to contact us for any product problems, we will try our best to solve it and make you satisfied. We are a professional power adapter manufacturer and our goal is easily fit for all electronic devices for you, we strive for your better quality of life to provide our own work!