DUAL FUNCTIONALITY: Functions as both a 6-digit calculator and resistor color code reader, perfect for 办公用品 enthusiasts and beginnersEDUCATIONAL DESIGN: Clear button layout with color-coded keys helps users learn resistor color codes while practicing basic calculationsDISPLAY FEATURES: Large 6-digit LED display provides clear visibility of calculations and readings in various lighting conditionsPRACTICE KIT: Includes all necessary components for assembly, offering hands-on experience with electronic components and solderingCOMPACT SIZE: Portable design with transparent case measures approximately 6 inches x 4 inches, making it ideal for workbench or desktop use