About the Power Supply: Input Voltage: AC 100V-240V 50/60Hz, Output: 12 V DC 6A.Length of AC Cord: 3.94ft/1.2m. Output adapter jack size: 5.5mm x 2.1mm Safety Protection Function: The power adapter has automatic overload cut-off, over voltage cut-off, over current cut-off, overheating protection, short circuit protection function. Widely Applications: Most used for 12V LED strip: 5050 SMD, 3528 SMD waterproof strip, non waterproof rope light, RGB cool white and warm white strip light. And 0ther usage, Wireless Router, ADSL Cats, HUB, Switches, Security Cameras, Computers, Audio/Video Power Supply etc Voltage Consistency: No voltage fluctuations at power on, during transmit, receive, or at power off. It will protect your electronic products from destruction. Sale Service: Please read the user manual carefully before use, We hope that customers will be satisfied with every purchase experience, if you have any question, please contact us without hesitate, we will rep