Runpower 24W 12V 2A Replacement Power Adapter Charger for Microsoft Model 1512 Surface RT Power Supply Jack Power Cord Replacement Power Adapter Charger for Microsoft Model 1512 Surface RT Automatic thermal, overload cut-off, and short circuit protection Input: AC100-240V, 50/60Hz (worldwide use); Output:24W 12V 2A Magnetic snap-in power adapter charges surface 12 months warranty & friendly customer service