1. The product is made of high quality PCB and electronic components materials, stable performance, quality assurance. 2. Green printed circuit boards combined into the shape of a Christmas tree, easy to make, for DIY enthusiasts, can improve their hands-on ability, can also be used as a decorative gift. 3. This circuit is simple and practical, low power consumption.It uses integrated circuits for driving: fewer parts,and is simple and easy to understand. 4. This item looks like a small Christmas tree. The powered by a 3xAAA battery.(battery not included).Power supply voltage: DC 4.5-5.5V. 5. The product is shipped in bulk, you need to weld it yourself, the effect is cool after welding, whether it is a gift or ornamental, it is a very good choice! NOTE: This is a DIY kit, which requires soldering and assembly by yourself. Due to different production batches, the color of parts may be different, which does not affect the use. Power Supply:3xAAA battery(Not included batteries) Colour:Green Material:PCB+electronic components Package Contents: 2 x 3D Christmas Tree LED DIY Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.