Detailed introduction of product features and packaging

model; KT-3388

color; White * Pink

packaging; One color in a middle school box, 20 sets in one box set, 80 sets in a box

display screen; 12-digit extra-large high quality display screen, behind which there is a No. 5 dry cell and solar chip driving power supply, five-minute standby, automatic driving power supply, energy saving and environmental protection, cost control, humanized 45-angle display screen design, ensure that the human body does not feel tired when using products for a long time

button; Double-standard total function design, built-in GT and M + functions button, can calculate the precise total amount at the end of the calculation, accurate calculation, excellent quality, in function button, the abdication function button * eliminate the word Button * Root number function button * positive and negative number function button * meets the needs of all calculations.