100/240V AC DC 24V 1A 1000MAH Power Supply Converter Charger EU/US/UK/AU Plug 5.5mm*2.5mm 5521 For monitor cctv LED LIGHT USB - AliExpress
Amazon.com : Evertech DC 12V 1000 mA 1A Power Supply Adapter Wall Charger for 12 Volt Electronics 2.1mm x 5.5mm Plug : Electronics
Amazon.com : HDView 12V DC 1A 1000mA Power Adapter Supply UL Listed Certified 2.1mm 5.5mm, Power Transformer for Security Camera,110-240V AC Input : Electronics
12V DC 1000mA (1A) regulated switching power adapter - UL listed : ID 798 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits