1/2.7" Progressive Scan CMOS, 4mm @ F2.0, viewing angle: 87° (Horizontal), 48° (Vertical), 103° (Diagonal), 0.51 Lux @ (F2.0, AGC ON), 0 Lux with IR, Night Vision Up to 10m, Video Compression H.265, Frequency Range 2.4G & 5G, Supports Micro SD Card (Up to 512 GB), AI-Powered Human Shape Detection / Pet Detection / Waving-Hand Recognition / Voice Activity Detection / Vehicle Shape Detection / Bark and Meow Detection, Two-Way Talk.