Product: SMAKN Dc 3v 1a Switching Power Supply Adapter 100-240 Ac
Brand: SMAKN
One DC 3V 1A US Plug Universal external switching power supply adapter which can charge for Router, mobile hard disk, switch, CCTV CAMERA, HUB and other electrical devices with same output and Plug Dimension. 
 Specifications: 
 Input: AC 100-240V, 50-60Hz 
 Output: DC 3V 1A 
 DC Plus Dimension: 5.5mm x 2.1mm 
 Please make sure the DC output and tip size of ac adapter are accordant before you bid. 
 Package Contents: 
 1x Adapter Charger
US Plug Universal external switching power supply adapter

Search query: smakna dc 3.3v 1a powersupply
Relevance: Exact