3 million pixel 1/2.8 "sound and light alert 4G dual light sphere network camera; Focal length: 4mm; Infrared mode 50m, White light mode 10m; Audio 1 in 1 out, Alarm 1 in 1 out; Supports 4G network and dual SIM single standby; Micro SD slot * 1, maximum support 512GB; 10M/100M adaptive network port; Equipped with red and blue warning lights, it supports sound and light alert, human detection, automatic tracking, area intrusion and boundary detection, and can detect pedestrian and motor vehicle targets and link alarms; Built in MIC and speaker support two-way voice intercom; Optical wide dynamic range: 120dB; 4 million (2304)* 1296@30fps ）； Power supply mode: DC12V ± 25%; Working temperature and humidity: -30 ℃~60 ℃, 5%~95% RH; power consumption: 11W MAX; Protection level: IP66;