Gikfun 3D USB Christmas Trees 3 Colors LED DIY Kit Flash LED Circuit EK1719
Please note: It's diy kits. Need to solder by yourself. Red Green Yellow led flash 3 kinds colors light <br> Working voltage: DC4.5-5V <br> Finished Dimensions: 60mm length *60mm width *136mm height <br> The flash Christmas tree kit consists of a combination of three circuit boards, the user through their own welding assembly, so that the 36 LED alternating flashing, in the space of a Christmas tree in the outline of the three-dimensional (night environment to see better). <BR><BR> For more instruction, please visit: http://www.robotstore.it/open2b/var/product-files/282.pdf (Instructions)<br><br> http://www.robotstore.it/open2b/var/product-files/283.pdf (Schematic)<BR>Note:<BR> 1.The product is used for learning.<BR> It's Prohibited for any other purpose.<BR> 2.Suit for people above 18 year's old with 1 year electronic diy experience.<BR> Or use it correctly under the guidance of electronic specializer. <BR> 3.Please wear anti-static gloves or bracelet when operate electronic products.<BR>