Vender Diy Calculator Kit Digital Tube Calculator with Transparent Case Built in Cr2032 Button Cell al mejor precio

1.Uses straight-in components, easy to solder 2.LED display to show the data clearly. 3.Pre-programmed design for easy operation. 4.Includes add/subtract/multiply/divide/negative number/the decimal point function.5.Auto power off in 20s if there is no operation. Power Supply: CR2032 Product Weight: 120g / 4.23oz colour:Photo Color Material:Acrylic size:PCB Board Size: 8.8 * 8cm / 3.46 * 3.15in Finished Product Size: 9.8 * 9 * 1.6cm / 3.86 * 3.54 * 0.63in Package Contents: 1 * DIY MCU Calculator Kit 1 * Instruction manualOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.