Bullet 3 3MP delivers 3MP live monitoring with a choice of 2.8mm/3.6mm lens option, it supports four night vision modes for clear-as day clarity even in pitch dark. With IP67 certified, the camera can be used outdoors under different weather conditions. With built-in spotlight and 110dB security siren, Bullet 3 3MP actively keeps unwelcome visitors away from what you care about. Bullet 3 3MP support self-developed algorithm (IMOU SENSE), which makes human and vehicle detection more accurate.