... .4. Capacity 8KB (601A), 16KB (601B) and 32KB (601C) optional, with 1, 2 & 4 folders separately, storing 250, 500 & 1000 phone ... records. 5. Can append or cover the storage as you choose.6. Running LOGO setup ... .7. Single operation, no need PC or PDA. 8. Battery (CR2032x1pc) ...