Feature 1.1 inch TFT LCD Resolution: 96*64 CSTN screen Internal storage :8 MB Working time:8-10 h You can store 56 piece pictures Carton packing:57*52*15.8 mm Work Voltage: 20-25Ma Built-in 3.7 V Li battery Colors available : red, blue, silver , purple Support BMP,JPG,PNG,GIF format Showing model: by hand or automatic play Saving electronic way: it will be close automatic in 120 sec Support System: Win 2000/XP 2.0 USB