SDI12-9-UD-P5 is an AC-DC power supply providing 9 Vdc output at 1.33 A with 12 W output power. It features a universal input voltage range of 90-264 Vac at 47-63 Hz, DoE Level VI and CoC Tier 2 efficiency compliance, and includes over voltage, over current, and short circuit protections. The unit offers 3,000 Vac isolation voltage, MTBF of 300,000 hours, and compact dimensions of 75 x 48 x 30 mm. This model includes a China input cable and a 5.5 x 2.1 mm center positive straight DC plug, making it suitable for a wide range of electronic devices requiring reliable, efficient power conversion.