Hikfire HF-VR344 Multi-IR Sensor + Professional AI flame detector + 3 IR Ref 4MP Fire Detection Camera, Optical: 1/2.7" Progressive Scan CMOS, Flame: 4.3um(main) + 5.0um(auxiliary) + 3.8um(auxiliary), 25 fps (2560 × 1440, 1920 × 1080, 1600×1200, 1280 × 720), Motion Detection, Video tampering alarm, Intrusion detection, Boundary violation detection, Smoke and fire detection, Fire and Smoke Detection: Range < 50m, Remote Silence, 2 way alarm input(Alarm in), 2 way alarm output (Alarm out), Supports linking alarm images and alarm videos when an alarm is triggered, Supports low bitrate, low latency, ROI (Region of Interest) enhanced encoding, and SVC (Scalable Video Coding) adaptive encoding technology, Support microSD/SDHC/SDXC card(128 G) local storage, Support 3D digital noise reduction and wide dynamic range, Supports backlight compensation and automatic electronic shutter function, adaptable to various usage environments, IP66.