Model: TX220TS Item: CNMTX220TS
Large color-coded keytops. Automatic punctuating of large numbers every three digits. Allows you to add or subtract from a running total stored in the built-in memory. Its dual power capability assures operation even in low light. Auto power off. Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 12; Memory: 3-Key.