The Vivotek FD816BA-H series provides flexible options for both fixed focus for simple operation, and remote focus with built-in stepping motors and P-iris to provide precise adjustments remotely. As a professional day/night camera, the FD816BA-H series features a removable IR-cut filter as well as IR illuminators effective up to 30m for superior image quality around the clock. The camera also adopts a Smart IR technology which prevents overexposure and provides noise reduction to adjust the IR lighting intensity instantaneously based on the changes of light in the ambient environment. For indoor applications, VIVOTEK’s FD816BA-H series is armed with a built-in PIR sensor to help detect unexpected events and provide security in real time.