12VAC/500MA. WRC A7-10-01, 41A-12-500. UL/CSA. 2.1/5.5mm barrel jack with a 10mm shank.. 2-1/4"L x 2"W x 1-1/2"H. Made in China. Individually cartoned. $3.50 Ea/25, $2.95 Ea/100, $2.85 Ea/500, $2.75 Ea/1000. 709 in stock MB268 Jeff