· Max Resolution: 3840X2160 @30fps 2K video@30fps​ · Sensor: 1/2.8" CMOS Digital Image Sensor​ · Pixel Size:1.62um*1.62um​ · Image area:6.259mm*3.593mm​ · Active Pixels:3864(H)*2160(V)​ · Video Format:YUY2/MJPG​ · Driver: 2 X 1W Driver · Zoom in/out:5x digital zoom · Focus range: 30cm~∞​ · Focus Type: Fixed Focus​​ · Mic: Array mics for echo cancelling · Compatible system: Windows XP ,Windows 7​ · Windows 8,Windows 10,Android V5.0 Or higher version OS,MAC OS10.6 Or higher version​ · Port:USB2.0,TYPE-C ​

· Max Resolution: 1920X1080 1080P video@30fps · Sensor: 1/2.7" CMOS image sensor · 2.0Mega pixels for image · Focus type: Fixed focus · Field of view: H=87° · Focus range:30 cm to infinity · Support 3-5m far field pickup · Cable length : 150 cm · Port: USB 2.0, TYPE A · Mic: Mono Mic · Compatible system: Windows XP ,Windows 7 · Windows 8,Windows 10,Android V5.0 Or higher version OS,MAC OS10.6 Or higher version

· Max Resolution: 3840X2160 @30fps 2K video@30fps​​ · Sensor: 1/2.8" CMOS Digital Image Sensor​​ · Pixel Size:1.62um*1.62um​​ / · Im· age area:6.259mm*3.593mm​​ / · Active Pixels:3864(H)*2160(V)​​ / · Video Format:YUY2/MJPG​​ / · Zoom in/out:5x digital zoom​ / · Focus range: 30cm~∞​​ / · Focus Type: Fixed Focus​ · Mic: Array mics for echo cancelling · Compatible system: Windows XP ,Windows 7​ · Windows 8,Windows 10,Android V5.0 Or higher version OS,MAC OS10.6 Or higher version​ · Port:USB2.0,TYPE-C ​

· Max Resolution: 1920X1080 1080P video@30fps · Sensor: 1/2.9" CMOS image sensor · 2.0Mega pixels for image · Focus type: Fixed focus · Field of view: H=73° · Focus range: 30cm to infinity · Support 3m far field voice pickup · 2.4G wireless connection, Cable free · 1500mAh build in battery, support 3hrs working time · Transmission distance : 20meters indoor · Port: USB 2.0, Type C for charging · Mic: Mono Mic · Compatible system: Windows XP ,Windows 7 · Windows 8,Windows 10,Android V5.0 Or higher version OS,MAC OS10.6 Or higher version