i3 's Ax75RM megapixel IP camera features 4MP video resolution and a built-in 3~10.5mm remotely-adjustable varifocal lens with P-iris control, which allows the camera users to zoom in and out for the perfect view. This dome camera is very versatile and offers many practical functions, such as true WDR and Smart IR. This waterproof and vandal-resistant model is IP67- and IK10-compliant and is designed to withstand outdoor conditions, while also being suitable for the indoor installations. Corridor view is available for users that would like to view a hallway or a single store aisle. For the installations requiring edge recording redundancy, Ax75RM camera supports microSD card (sold separately). For outstanding quality audio recording, combine with i3 's Mo-1 line level microphone (sold separately). This camera model can be surface-, pendant- or recess-mounted without the need for additional mounting brackets. These series can also be wall- , pole- and corner- mounted with the purchase of i3 's compatible goose-neck bracket and the corner-mount assembly (where applicable).