InSight Cube- Visual Verification Indoor Camera. Built-in PIR Based 2-Way Audio Visual Verification Security Solution for Indoor ApplicationsThe InSight Cube is an excellent addition to the OPTEX InSight Visual Verification Series, offering a compact PIR based visual verification solution ideal for indoor applications where the InSight Outdoor PIR Camera Series may be too large or bulky. With built-in passive infrared detection sensors, 2-way audio and video capabilities, the InSight Cube is an all-in-one indoor camera that effectively eliminates false alarms and dispatches. The InSight Cube is ONVIF compliant and can directly connect to the OPTEX Visual Verification Bridge, as well as any DVR, NVR or VMS.