Specification - Product Name : DC Power Connector Adapter;4.0mm x 1.7mm Male Plug to 5.5mm x 2.1mm Female Jack Coupler Converter Application - Suitable for laptop, Android tablet, CCTV surveillance camera, MP3, MP4, led light, Router, Mini Fan, Cable Modem, Hub, photo player, SCM development, electronic dog, access control attendance Etc Easy to use - Connect solar equipment, lamps, surveillance cameras, laptops and other devices to provide power for these devices Advantage - conversion and connection of different types of connectors; quick connection and disconnection Feature - Great item for small electronics projects and CCTV applications.,Perfect for making a cable to a length or replacing a broken connector. Descriptions:
Great item for small electronics projects and CCTV applications.
Connector Size - 4.0mm x 1.7mm Male to 5.5mm x 2.1mm Female.
Male to Female DC Converter, easier for camera installation.
Perfect for making a cable to a length or replacing a broken connector.

Features:
Size: 30mm x 24mm x 11mm / 1.18" x 0.94" x 0.43"(L*D)
Color: Black, Yellow
Connector Type: 4.0mm x 1.7mm Male to 5.5mm x 2.1mm Female
Package Contents: 3Pcs x DC Connector


Please note before purchasing:
1. Please use professional measuring tools to confirm the required specifications;
44. If there is no professional measuring tool, DC plug with known specifications can be used to confirm the required specifications or remove the unnecessary specifications.

Customers can judge the power of the device when they can't measure and compare:
5.5mm x 2.1mm is usually used for low power devices, such as surveillance cameras, some set-top boxes, led table lamps, digital appliances, etc.
5.5mm x 2.5mm is usually used for relatively large power equipment, such as notebook computers, electric appliance, etc.