Pannel size:1.5inch Picture Resolution:128*128 CSTN Dinmensions: mm Working period:8-10 hours Power saving mode:120seconds automatically shut down Build-in NADA flash:8m (74 photos ) Formats Supported: BMP,JPG,PNG and TIF OS support : Win98/ME/NT/2000/XP USB:USB2.0 Power supply: build-in 3.7v Lithium Battery or 5v USB Accessories: key chain, Software Driver ,Manual ,and USB Show More