Product parameters:
Input voltage: AC100-240V 50~60HZ (global)
Input AC interface: EU plug US plug
Output voltage: (DC) 3.3V
Output current: 3.3V 0.5A 1A 1.5A 2A

Output voltage accuracy ±0.5% (no load)
Power supply polarity: inside positive outside negative, inside (+) outside (-)
DC cable length: 1 meter
DC interface:  5.5*2.1mm
Colour: Black
Condition: Brand new genuine
Wide input range and high voltage accuracy

Applicable: sphygmomanometer sewing machine monitoring security audio speaker stage lighting development version mobile hard disk switching power supply wireless router monitoring camera ADSL cat, mini small TV, mobile DVD, TV box, wireless audio and video equipment, charging equipment, MP3/MP4, small desk lamp, switch, Game consoles, phones, lanterns, cameras, surveillance equipment, controllers and other home/portable devices.

Precautions for use:
※ Please do not use it beyond the rated input voltage and output current range, and it is strictly forbidden to short-circuit the output interface (voltage).
※ Please pay attention to heat dissipation and ventilation when using. If the adapter temperature is too high, stop using it and check the cause.
※ It is strictly forbidden to use in humid or high temperature environment