Franklin Electronics SCG-1870 Ultimate Portable Reference Suite Speaking Dictionary (SCD-1870 + Expansion Cards) All-in-one reference solution featuring Merriam-Webster's Collegiate Dictionary Instant access to over 200,000 words and 500,000 synonyms with clear definitions and spoken pronunciations Includes the ENC-4047 Concise Columbia Encyclopedia and the GDS-2026 Great Documents of American History expansion cards