Parameters: Video Format:AVI. Video Code:M-JPEG. Video Resolution:640 * 480, 720 * 480. Video Frame Rate:25-30 fps. Player:Along with OS, or those main stream player software Image Format: JPG 1280 * 960Camera:5M pix. Image Ratio:4 : 3. OS:Windows me / 2000 xp 2003 / vista: M. Battery:200 mAh high capacity polymer lithium battery. Work Time:About 90 min. Charge Voltage:DC-5V. Interface:MINI 5 pin USB. Work Temperature:0 - 40 degree. Work Humidity:20% - 80%. 4GB Inbuild. Weight:125 g. Size:7 X 1.5 X 1 cm.