WS2812 RGB LED Strip Cut to Length 

The WS2812 is a smart RGB (Red, Green, Blue) LED module that is capable of displaying up to 16,777,216 colours at 256 different levels of brightness per LED. Each LED can be controlled individually using a microcontroller (e.g. Arduino, NodeMCU).

The LEDs are mounted on a flexible PCB and are cut to length (minimum 10 LEDs, max. 720 LEDs). 

3 Pin JST leads for the strips can be found HERE

Specifications:

LED Density: 144 LEDs/metre
Input Voltage: 5V DC