Features:
The utility model is suitable for supplying power to routers, light cats and other devices by power bank USB interface
3.5mm interface is better, stable, consistent with smartphone headset hole size.
Product interface: USB to DC3.5mm/USB to DC5.5mm
DC3.5mm interface specification: outer diameter 3.5mm, inner diameter 1.35mm
DC5.5mm interface specification: outer diameter 5.5mm, inner diameter 2.1mm
Plug level: internal "+" and external "-"
(Type 2: It can power supply to 2 routers of the same voltage at the same time with 2 converter adapter.)

The difference between the three lines:
5V: simple power line, USB input 5V, power DC plug output 5V.
9V step-up line:with step-up components, the USB input 5V voltage step-up to 9V through the components , less than 2A.
12V: with step-up components, the USB input 5V voltage step-up to 12V through the components , less than 1.5A.

Specifications:
Material: Plastic and Electronic Component
Color: Black
Size: 67*24*15mm
Cable length: 1m
Model: KWS-912V
Interface properties: USB to DC round hole
Voltage input: 5V
Voltage Output: 9V/12V
Max Output current: 9V 2A,12V 1.5A

Package Included:
Type 1:
1 x USB multifunction tester
1 x 3.5*1.35 adapter
Type 2:
1 x USB multifunction tester
1 x 3.5*1.35 adapter
1 x DC5.5*2.1mm adapter with 3.7cm cable

Warm tip:
(1) 9V/12V step-up line USB power supply port, please do not connect to computer USB port.
(2) 9V/12V step-up line current output is less than 2A. If your router / light cat current is more than 2A, it cannot be used

Shenzhen Ruize Technology Co., Ltd., is a well-known electronic component company.

Over these years, adhering to the "honesty, quality first" principle, with excellent product quality, enthusiastic service, and wide range of products, we gained a high degree of trust from our customers. 
No matter you are domestic or foreign businessmen, we are always ready to make you satisfied.

We sincerely welcome your business negotiations, share mutual benefit and common development.