Feature:1. APPLICABLE OBJECTS: Electronic Christmas tree assembly kit, suitable for beginners, electronics enthusiasts, and welding learners, simple and reliable.2. COLORFUL LED LIGHT: Features 37 high brightness LEDs, with RGB LED automatic flashing and bottom LED breathing light effect, with adjustable cycles.3. MULTIPLE FUNCTIONS: The Christmas tree is rotatable design, with music and colorful LED lights to add color and ambiance to holiday decorations.4. STABLE PERFORMANCE: The electronic tree assembly kit uses excellent PCB board, with stable performance, less interference, safe and simple circuit.5. APPLICABLE SCENES: This rotating Christmas tree is suitable for DIY gifts, family projects, holiday decoration, etc., easy to assemble and disassemble.Specification:Item Type: Electronic Christmas TreeMaterial: PCBWorking Voltage: DC 4.0-5.5VWorking Current: 500mAPower Type: DC005 5.5 x 2.1mm power socketColor: RGB LEDWorking Temperature: -40-85Working Humidity: 5%-85%RHFeatures: 37 high brightness LEDsPerfect Simple CircuitSimple music effectsAutomatic rotationRGB LED automatic flashingAdjustable bottom LED cycleBottom LED breathing light effect.Package List:2 x Christmas Tree Board1 x Rotating Upper PCB Board1 x Rotating Middle PCB Board1 x Rotating Base PCB Board1 x Motor1 x Power Cord1 Pack AccessoriesNote:Please note that the parts are not fully assembled and require the buyer to manually weld, assemble, and debug them.