12V DC 1A Power Supply Adapter (You can use 1A for instead of 12VDC 500mA and 800mA as well) Regulated 1 Amper Multipurpose Power Supply AC Wall Plug Adapter - Walmart.com
Amazon.com: PryEU 12V 500mA AC Adapter 6W DC Power Supply UL Listed Wall Mounted with 5.5 x 2.1mm Tip and 12PCS Replacement Plug Connectors (12 Volt Devices ONLY) : Electronics
Amazon.com: MTDZKJG 12V 0.5A 500mA Power Supply AC 100~240V to DC 12V 500mA 6W AC/DC Adapter, 12V 0.5A Transformer, for CCTV, Surveillance System, LED Strip Light, with 5.5 x 2.5mm 2.1mm Center
LPS-12V500MA-WALL Linear Power Supply Wallmount 12v, 500ma, 2.5mm fema - rfIDEAS-shop
Amazon.com: Security-01 AC to DC 12V 0.5A 500mA Power Supply Adapter 5.5mm x 2.1mm UL Listed FCC,CY-1200500 : Electronics