MaxLLTo AC/DC Wall Power Adapter Cord For Roku 2 XS 3100 r 3100x 3100ab Streaming Player AC/DC Wall Power Adapter Cord For Roku 2 XS 3100 r 3100x 3100ab Streaming Player Note: this adapter has 5v output, and NOT for Roku 3 and some other Roku 2 models, which have a 12V DC-in jack. Input: 100v - 240v. Output: 5V ( +/- 0.5v ), 2000mA max. Compact design: light in weight-- about 4 ounces. Package includes: 1 unit of AC adapter. Compatible with: Roku 2 XS 3100 / 3100r / 3100x / 3100ab