1.5" Keychain Photo Viewer (Silver) w/ Deluxe Gift Box. HOT!!! 1.5inch CSTN screen with Stainless Steel Back Memory Size: 100 Photos (Auto Re-size Function) With Time, Calendar, and Stopwatch functions Rechargeable Lithium battery with 4-5 hours playtime Plug n' play Photo Editing Software included. Operation System: Win 2000/XP/Mac