20 RGB LEDs chaser WS2812B 330mm /13"/. 330mm strip is included. 
PIC microcontroller. 
13 programs - Knight Rider Scanner, GhostBusters, Proton Pack Power, CYLON EYE and other. 
3 buttons - Programs, Color and Speed. 
  - Programs button - Choose between 13 programs. 
  - Color button - Choose from 5 colors - White, Yellow (Amber), Red, Green and Blue. 
  - Speed button - 8 speed steps. 
Memory - remember last selected program, color and speed. 
Power supply for module and LED strip - DC 5V/max.850mA (Case for 4x AA batteries). The current depends on the selected color and program. Power supply (batteries) is not included in the set. 

We produce three variants according to the supply voltage: 
- Model 9810: Supply voltage 5V DC, 
- Model 9810B: + Case for 4x AA batteries, 
- Model 9810C: Supply voltage from 8 to 28V DC + DC/DC Converter. 

This product has been assembled and tested. 

The appearance may differ from the one in the photo without changing the parameters of the product (This means that there may be a difference in the elements used (appearance, placement, color, shape or value)).
The color (nuance) of the LEDs may differ from that of the video and photos.