Specification:
Product Name: DIY Calculator Soldering Kit
Display Type: LED digital tube (available in red, green, and blue options)
Power Supply: 2 pcs of No.7 batteries (not included)
Microcontroller: 51 MCU control with pre-soldered SOP28 chip
Dimensions: 121mm x 73mm x 16mm
Functionality: Supports basic arithmetic operations, squares roots calculation, and resistor color code conversion

Assembly Type: DIY (requires soldering and assembly)

Features:
1. Customizable Display Color: Select green, red, or blue for the 7-segment display.
2. DIY Assembly: A perfect hands-on learning experience for soldering and electronic enthusiasts.
3. Transparent Plastic Shell: Allows visual access to internal structure and components.
4. Multiple Functions: Includes arithmetic calculations, squares roots operation, and conversion.
5. Low Power Consumption: Ensures efficient energy usage.
6. Pre-installed Essential IC: Facilitates assembly for beginners with soldered microcontroller.

Package Includes:
1 x DIY Calculator Electronic Kit ( Batteries not included)