AC-DC Switching Regulated Power Supply 12VDC @ 1000mA; 2.5 x 5.5mm (+) center polarity; Part # SW-121BP
by PHC Enterprise, Inc.
$15.00
Part #: SW-121BP
Input: 100~240VAC
Output: 12VDC @ 1000mA
Plug: 2.5 x 5.5mm 
Wall-mount