Image sensor: 1/3-inch Sony super HAD CCD and VGA resolution Infrared light: infrared LED effective range up to 10 to 20m User can view image through IE or DDNS to realize the real-time surveillance and play-back Supports remote surveillance by mobile, it is compatible with many kinds of intelligent mobile operation Supports internet listening, internet broadcasting, two-way audio function and built-in microphone and speakers Supports local and internet alarm Once there is a trigger alarm through sensors, the video recording will be active and start to record the spot picture and video automatically They are stored in the preset storage equipment as TXT, JPG, and MP6 formats Supports video motion detective, it can trigger video recording and alarm if necessary Supports remote configuration, upgrade, fault inspection, auto patrol, and remote maintenance function Provide public standard API port, supports SDK integrated development and easy to develop all kinds of software for application