Specification Brand : Gikfun BulletPoint1 : This chaser kit displays different graphs by adjusting two potentiometers, the graph can be moved quickly or slowly. BulletPoint2 : This is a beautiful LED chaser kit that is fun to build and nice to look at when finished, it’s not only a PCB board for practicing welding, but also a decorative gift for you. BulletPoint3 : High quality PCB, has clearly marked the electronics components, even beginners can easily solder successfully. BulletPoint4 : Comes with user manual and online PDF file, which will guide you how to finish step by step, perfect for school basic electronics experiment projects. BulletPoint5 : Power supply: USB or battery Color : Gray ConnectivityTechnology : USB IncludedComponents : VHS ItemName : Gikfun LED Chaser Kit Soldering Practice Kit PCB Board for School Learning Project EK1974 ItemPackageDimensions_Height : 14.4 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 10.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : soldering-stations MagnificationStrength : 5 multiplier_x Manufacturer : Gikfun Material : copper ModelName : helping hands ModelNumber : ZM-SS2 NumberOfItems : 1 PartNumber : 21PC ProductDescription : This is a beautiful LED chaser kit that is fun to build and nice to look at when finished, it’s not only a PCB board for practicing welding, but also a decorative gift for you. ProductSiteLaunchDate : 2022-09-16T07:38:45.561Z Size : Full Size Style : Magnetic PCB Holder SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 WarrantyDescription : 1 year Wattage : 60 watts WirelessCommStandard : bluetooth