Description
This circuit is composed of 16 pcs LED (light emitting diode). The 16pcs LED divided into four groups, and each group has different flashing frequencies, when four groups flash together, this item looks like a small tmas tree. The circuit is powered by a 9V battery.
This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and the line is simple and easy to understand.
With pluggable designed for easy replacement of parts at any time and conducive circuit debugging. Also allows you to deepen understanding of the principles of the circuit in the debugging process.
CTR-30 flash mas tree kit consists of three circuit board, allows 36 LED no lash alternately, showing a xmas tree in the space of three-dimensional profile (the night environment has better viewing).
The kit will make your mas more memorable and fantastic.

Specifications:
Color: show as pictures.
Operating voltage: DC4.5-5V
Power supply: 3 AA batteries or USB charger (The adapter does not includes)
Dimensions: 60 x 136 x 60mm (L x W x H)
Instruction download: Click to open

Notes:
There might be a bit color distortions due to different computer resolutions.
Because of the manual measurement, there will be a bit of error here. Please understanding, thank you!

Packing List:
1 x xmas Tree LED Kit.