4 MP Network IR 2-inch PT Dome (H.265+, 30m IR) 1/2.7¨ Progressive Scan CMOS Color: 0.01 Lux @(F1.2,AGC ON), B/W: 0 Lux with IR 2.8 mm, horizontal FOV 94°, vertical FOV 49°, diagonal FOV 114° 4 mm, horizontal FOV 70°, vertical FOV 35°, diagonal FOV 85° White Light Distance: up to 30 m IR Distance: up to 30 m Digital WDR, BLC, HLC, 3D DNR,Built-in Microphone,Built-in Speaker,audible warning when alarm triggers, POE