This power supply adapter is a reliable and efficient source of power for your CCTV security camera DVR. It has an output voltage of 12V and a maximum current of 6A. The package comes with a 4 split power cable that allows you to power up to 4 devices simultaneously. The product is manufactured by ABLEGRID, a reputable brand in the power supply industry. Please note that this product may contain a chemical(s) known to the State of California to cause cancer and birth defects or other reproductive harm, as indicated by the California Prop 65 warning. However, this should not affect the product's performance and usability.