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12V 2A Power Supply AC Adapter, AC 100-240V to DC 12 Volt Transformers, 2.1mm X 5.5mm Wall Plug (12 Volt - 2amp - 2pack) - Walmart.com
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12V DC 1000mA (1A) regulated switching power adapter - UL listed : ID 798 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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