Diymore DC 4.5-5V Welding Free 3D Christmas Tree Diy Kit For Assembling Christmas Trees Electronic Fun Practice Diy Kit

Features: 1. Welding free assembly design, no need for welding, easy to assemble and build three-dimensional Christmas tree models by hand 2. Colorful flashing LED beads, 37 colored lights work together to emit light, creating a dazzling and atmospheric atmosphere 3. Dual power supply mode is optional, powered by USB or three AA batteries, suitable for various usage environments 4. Complete precision screw and nut accessories, aluminum connectors paired with circuit boards, stable and reliable assembly structure 5. Electronic DIY Fun Training Kit, suitable for electronic teaching training, holiday handmade creation, and ornament makingParameters: Working voltage: 4.5-5V DC Luminous color: Colorful Power supply method: USB or 3 AA batteries (note: batteries are not included in the shipment) Finished product size: approximately 76 * 183mm Notes: ① Check the part values and quantities against the parts list ② Understand the polarity and orientation of all parts ③ Bend the LED pins and connectors at a right angleProduct List: LED beads 5mm color flashing * 37 pieces Screw M2 × 4 (horizontal installation) * 82 pieces Screw M2 × 6 (vertical installation) * 20 pieces Nuts M2 * 102 pieces Connector 1mm thick aluminum piece 1 * 4 pieces 4 pieces of 1mm thick aluminum connectors, size 2 3 AA battery packs * 1 (note: batteries are not included in the shipment) USB to 3.5mm DC power cord * 1 AST 4A circuit board * 1 piece AST 4B circuit board * 1 piece AST 4C circuit board * 1 piece AST 4D circuit board * 1 piece