Wall Mount AC Adapters 100-240V Wall Plug-In Pwr Supply 24.0VDC@500mA cUL/CE, Center POS, PLUG = 5.5mm(OD) x 11mm(L)Return Policy:Must be returned within 30 days in same condition as sold. Buyer is responsible for return shipping. If item was "Free shipping" actual cost of shipping will be deducted from refund.If there is an issue with a product, please contact me immediately for a resolution.International offers only accepted if 's Global Shipping Program is used. Buyer is responsible for any taxes, fees, tariffs or duties associated with this purchase. Contact for further details.Shipping rates are for the continental US only. Alaska and Hawaii please check for shipping rates.Thanks for looking