LED Chaser Knight Rider Scanner WS2812B 5050 20 RGB LED 330mm LED Strip - HK9810 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. The current depends on the selected color and program. Power supply (batteries) is not included in the set.  There are three options:    - Option 1: 5V DC,    - Option 2: + Case for 4x AA batteries,    - Option 3: 8 to 28V DC + DC/DC Converter.  Size of PCB - 43 x 25mm or 1.70 x 0.99 in. This item Fully assembled (ready built), look pictures. This price for one piece. Package Content: - 100% Brand New in original packing. - English and Bulgarian Instruction Manual. - 1x LED Chaser Knight Rider Scanner WS2812B 5050 20 RGB LED 330mm LED Strip - HK9810. Shipping: - All items will be checked before packing. All items are new and of high quality. - We will ship within 1-3 business days upon receipt of payment, excluding weekends and public holidays. - We only send by registered mail or courier, with tracking number. - Delivery time is from 5 to 30 business days depending on the destination. Customer Services: - Please contact us, we will assist you in any way possible and aim to answer all emails within 24 to 48 hours.