12V DC 1000mA (1A) regulated switching power adapter - UL listed : ID 798 : $8.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit Industries, Unique & fun DIY electronics and kits 12V DC 1000mA (1A) regulated switching power adapter - UL listed : ID 798 - This is a really nice power supply. It's a switching DC supply so it's small and light and efficient. It is thin so it fits in power strips without blocking other outlets. The output is regulated so you'll get a steady 12V up to 1000mA (1 Amp) of current draw.
This is a really nice power supply. It's a switching DC supply so it's small and light and efficient. It is thin so it fits in power strips without blocking other outlets. The output is regulated so you'll get a steady 12V up to 1000mA (1 Amp) of current draw. 5.5mm/2.1mm barrel jack, positive tip. This supply is designed to work anywhere in the world, 100V-240V AC wall power, you'll just need a low-cost plug adapter.

This is a 12V DC Power Supply - 1000mA, UL Listed, 50/60Hz ~section 2~ Type: 12V DC Power Supply Input: 100-240 volts ~ 60Hz Output: 12 Volts – 1000mA