?Recommended Max Range for Objects: 2~3 Meters (Audio 10~ 15Meters) ?Power Source: Built in Rechargeable Li-ion Battery (recharge directly from USB port or charge with charger) MajorParameters: 1)Image Sensor: 0.3 mega pixles CMOS Lens 2Resolution:640*480 3)Lens Mount:2.8mm 4)View Angle:70 degree 5)Recording Frame:15fps 6)Battery capacity:330mAh Please get in touch with me if you want buy right away or want do spy video camera business. we also...