USB power boost line DC 12V Step UP Module USB Converter Adapter Cable 2.1x5.5mm Plug

Description:
Input voltage: 5V
Output voltage: 12V700mA
Length: 1M
Weight: 30g

DC Plug Specifications:
Outer diameter: 5.5mm
Inner diameter: 2.1 mm
Internal positive pole
External negative pole

Shipping list:
1 Pcs USB power boost line