9V AC Power Adapter Cord For Brother P-Touch PT-1900 Labeler Power Supply 9V AC Power Adapter Cord For Brother P-Touch PT-1900 Labeler Power Supply Input Voltage : AC 100-240V Input Frequency : 50-60Hz Output Voltage : 9V 2A Center negative Great for Replacement or Backup. Compatible with : Brother P-Touch PT-1900 Label Maker