ANVISION AC to DC 12V 2A 24W Power Supply Plug 5.5x2.1mm for Led Light Strips NVR DVR CCTV Camera, Efficiency Level VI,UL Listed FCC RoHS Input: AC100-240V 50/60Hz 1.5A Max.; Output: 12V DC 2A 24W DC Connector: Barrel Plug 5.5mm*2.1mm; UL Listed (UL Number:E257074),cUL,FCC,RoHS,WEEE; Efficiency Level: VI Warranty: Two Years; Model:CS-1202000, there is an another listing DC12V2A + on off swith, is very good, ASIN number is: B01D5YCS16