1/2.8" Sony starvis IMX291 + EN771T 2MP 1080P AHD EX-SDI HD-SDI SDI Analog Starlight Security CCTV HD camera module board SKU: HS771291-ASC-CBOSD $39.25 2MP 1/2.8" IMX291 Accessories - None -ADKey Cable Effective Pixels 2MP Extension Function - None -AI(Auto Iris)AI(Auto Iris) + AZ(Auto Zoom)AZ(Auto Zoom) Hole Distance 20mm Imaging Sensor IMX291