12V DC Power Supply Adapter: Input:100V-240V 50/60HZ ; Output: DC 12V 3A (Max 36W) DC Adapter Wire Length: 90CM , Adapter Size 9*5*3CM ,Blue working indicator light Output adaptor jack size 5.5mm x 2.5-2.1mm ,easy to use on DC 12V LED appliance (0.5A 1A 1.5A 2A 3A all are Suitable) Adapter Function: transfer home AC 100V -240V to DC 12V and Protect DC devices from short circuit ,overload or overheat ,Safety and Stable Widely Application: supply power for 12V LED strips, LED Modules,CCTV Security Cameras,LCD Monitors ,HUB switches ,ADSL CATS,wireless router,DVR and other various application ((No more than 36W).