Features: 1) Display: 1.4\'\'\'\' CSTN color display and 1.1\'\'\'\' TN minor 2) Photo storage: 24 pictures 3) Power: build in 3.7V lithium battery or USB 5.0V 4) Specifications for keystroke: power / auto play / delete current / down / delete all / set 5) Interface: USB 1.1 6) Image resolution: 240 x 160 pixels (65K colors) 7) Operation system: Win98 / SE / ME / XP 8) Shoot mode: automatic shoot or single photograph 9) Charger: build in intellectualized lithium charger 10) Function: timepiece, alarm clock and stopwatch 11) Power capacity: 60 days (sleeping state)