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 Tree Material: PCB Working Voltage: DC 4.0 5.5V Working Current: 500mA Power Type: DC005 5.5 x 2.1mm power socket Color: RGB LED Working Temperature: 40 celsius 85 celsius Working Humidity: 5percent 85percent RH Features: 37 high brightness LEDs Perfect Simple Circuit Simple music effects Automatic rotation RGB LED automatic flashing Adjustable bottom LED cycle Bottom 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 Accessories Note: Please note that the parts are not fully assembled and require the buyer to manually weld, assemble, and debug them.