Technology specification Display monitor: 1.5 inch. Display monitor resolution ratio: 128 ?128 CSTN screen. . Memory: 8M Duty hour: Has been to 10 hour Stores photo: 90 pieces Power supply: 3.7v lithium batteries or 5V outside meet USB power supply Color: Red, Blue, Purple, Black, Silver-white color, etc. Picture format: Support BMP, JPG, PNG, GIF Shows mode:Manual or automatic play Saves electricity style: 120 second automatic close Supper system: win 2000/XP 2.0USB,or Mac system(opration)