1. Designed to meet the standards of original manufacturer's specifications. 2. Energy Saving chip & technology applied. 3. Over voltage, over current, over power & short circuit protection functions 4. LED light indicating when the power supply is connected to the supply. 5. Interchangeable power plug automatically sets output voltage. 6. Eight interchangeable power plugs for maximum compatibility. 7. Automatic Power Switching. 8. Supplied with Eight Automatic Voltage power plugs.