Part Number:1 Welcome to my store , Hope you have a pleasant shopping trip! Description: 1>.This product has a beautiful appearance and is very eye-catching. 2>.It is easy to operate and can be mastered quickly. 3>.It is equipped with precise remote control function, which can control the operation of music butterfly lights more accurately. 4>.It has interesting welding practice, which can let children learn some electronic principles and technologies.Parameter: 1>.Working voltage: DC3.7-5V 2>.Work Temperature:-40~85 3>.Work Humidity:5%~95%RH 4>.Size: 99*88mmPackage List:1 x Soldering Practice BoardNotes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. Butterfly Shaped: This product has a beautiful appearance and is very eye-catching. Remote Control: Equipped With A Precise Remote Control Function, It Can more Accurately Control the Operation of the Music Butterfly Lamp. Easy to Install: It Is Easy to Operate and Can Be Mastered Quickly. Funny DIY : It Has Interesting Welding Practice, Which Can Let Children Learn Some Electronic Principles and Technologies. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. See more product details Butterfly Shaped: This product has a beautiful appearance and is very eye-catching. Remote Control: Equipped With A Precise Remote Control Function, It Can more Accurately Control the Operation of the Music Butterfly Lamp. Easy to Install: It Is Easy to Operate and Can Be Mastered Quickly. Funny DIY : It Has Interesting Welding Practice, Which Can Let Children Learn Some Electronic Principles and Technologies. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.