usb ptz camera HD710 High-definition camera Owning this USB PZT camera is the embodiment of efficiency, safety, and professionalism Adjustable video screen brightness 1：0.5Lux (day), 0.1Lux (night) 2：Exposure control automatic/manual 3：You can adjust the brightness of the screen, choose a brightness that suits you, and have a certain ability to see clearly in a dim work environment. Conference Room Camera Conference room camera High-efficiency camera, with lifelike picture quality, makes you feel like you are at the conference Teaching Activity Camera Move freely, so you only need to bring a computer and a camera to record the event scene Streaming camera Stream or Record events or services. Have live or uploaded content so that more people can benefit Wide angle Wide angle of 60 degrees, so you can see every place PTZ speed and angle Pan 355° Pitch and pan -30 degrees to 90 degrees Maximum speed 80°/sec PTZ camera 10x optical zoom, 12x digital zoom, f=4.7mm (wide-angle end) ~ 47.0mm (remote end) Compatible ptzcamera USB plug and play, strong compatibility Product Specifications Image Sensor SONY 1/2.8 inch Progressive CMOS Signal system HD 1080p/30 Lens 10x optical zoom, 12x digital zoom. A total of 22 times zoom f=4.7mm (wide-angle end) ~ 47.0mm (remote end) White balance Automatic/indoor/outdoor/manual Preset position 9 simple points with remote control, keyboard can set/access up to 200 preset positions