AHD Camera Hi-View รุ่น HA-524B20ML 2MP Light Distance 30M, Mic Built-in 1/2.7″ CMOS Progressive Scan Resolution 1080P 4-in-1 (AHD/TVI/CVI/CVBS) Lens 3.2mm Warm light LED 4pcs Light Distance 30M Mic Built-in, Audio Out x1 ATW, BLC, FLC, WDR, 3D…