Description: Not only to improve your skills, you will also will be more familiar with electronic components and learn about and standing . The practice kits are fun and entertaining, build your own levitating air device by yourself. Standing Controller DIY Electronic Production Kit is for enthusiasts and can be used as school education practice kits. Very interesting and useful for people to learn more about physics. Notice: This kit requires certain of basic electronic theoretical knowledge and welding and hands-on ability. Any issues, please do not hesitate to contact us directly for further help. Specification: Color: As shown Material: Plastic Size: 42x62mm(Installed) Type: Production Kit Voltage: 12V DC Input Current: ≤ 70ma LED: Red: Power indicator Green: floating indicator Probe Spacing: 22mm Measuring Range: -40C~120C Size Chart: 42x62mm/1.65x2.44inch Package Includes: 1 Set of Standing Controller DIY Electronic Production Kit Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!