1.9V/2A  AC/DC  power adapter,high anti-interference and reliability. 

2. 100-240VAC universal AC input 

3.Small ripple coefficient,high work efficiency,low standby power consumption,less heat,long lifespan(25,000hrs) 

4.Small volume, Light weight, High efficiency 

5.International full range of AC input DC output

6.Protections: short circuit, over load, over current 

7.No-load power consumption<0.2W

8.100% full load burn-in test 

9.Through LPS (Limited power supply) test 

10.pure PC fireproof shell material. 

11.One year warranty