Title: RAINSUNG 5.5mm*2.1mm Female to Female Plug DC Power Connector Adapter for 12V / 24V Female Power Jack Socket for CCTV Security Camera Device Cable Wire Ends Plug and Easy Connect Led Strip -4Pack
Product: 5.5*2.1mm Female to female Adapter Connector

In/Out size: female 5.5mm*2.1mm
Length: 3.6cm
Quantity: 4pcs in one pack
Usage scenario: CCTV camera, led strip, cable test machines, ac/dc chargers with 5.5*2.1mm male tip.
Usage instruction:
1.Turn off the power before connect the cables with this adapter.
2.Make sure the current will below 10a if you use it to connect the chargers.
3.Make sure connect the cables tightly.
4.This will not work for 5.5*2.5mm male tip cables tough they also can be plugged in.

Thanks for your attention, You can be confident to make your purchasing or drop us your messages for any helps.