[10FT Extra Long Power Cord] Extra long extension cable 3m/10ft to reach what you want.Don't need Re-buy another additional cable. Output: DC 12V 3A 36W(Max.). Ouput current is 3A max. means that less than 2500mA can be used, such as 12V 3A 2.5A 2A 1.5A 1A etc. Input: AC100-240V, 50-60Hz. Universal AC Input, can be used worldwide. 12V3A Power Adapter with 5.5x2.5mm/2.1mm DC Barrel Plug. 12V 3A DC Power Supply would be used for 12V household and office electronics, like WS2812B WS2811 LED strip lights, CCTV Camera, BT Speaker, GPS, Webcam, Router and so on.
Product Description
  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 (100-240V) 50/60Hz.
Output voltage: DC 12V .
Output current: 3A.
Output power: 36W.
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.