?International Safety Certification ?Our products have passed the CE / FCC / RoHS test and Got the certificates. ?High Quality & Safety Guarantee?100% OEM Compatible,More Safety Than Others:This adapters was made with the highest quality materials.V-0 grade flame retardant,OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection) ?Specifications & 3 YEARS Warranty?Input:100-240V,50-60Hz;Output:9V 1.5A 13.5W;Plug size:5.5x2.1mm;Cable Include--Please confirm the specifications and plug size before purchasing! If you can't make sure,pls feel free to contact us. WARRANTY: 90 Days Money Back Guarantee - 36 Months Free Exchange - 24hrs Email Service Supoport. ?Compatible Models?Serene Innovations Portable Wireless TV Soundbox 2.4GHz TV-SB; Switches, Security Cameras,Arduino CCTV,Audio/Video Power Supply,or any devices that requires 9v 1.5a with Round plug 5.5*2.1mm charger ?ABSOLUTE ENERGY-SAVING?IIt's a fact- our adapter has been constructed according to the US requirements of level V energy efficiency,Maximize your adapter's usage while spending the minimum amounts of energy! Save money now- as all the energy will be efficiently used without unnecessary loss.The most cost-effective adapter is here- get it now without thinking too much!