Hikfire HF-VR343 Multi-IR Sensor + Professional AI flame detector + 2 IR Ref 4MP Fire Detection Camera, Sensor Type: Infrared pyroelectric: 4.3 um + 3.8 um, Max. Resolution: 2688×1520, 25 fps (2560 × 1440, 1920 × 1080, 1280 × 720), Color: 0.01 Lux @ (F1.6, AGC ON), BLC, 3D DNR, Smoke and flame detection, Indoor access blocked alarm, On/off duty alarm, Dangerous goods detection, Dangerous behavior detection, Fire Extinguisher Detection, Area Invasion Detection, Support MicroSD/MicroSDHC/MicroSDXC card, 30 m IR Range, 1 built-in microphone, 1 built-in speaker, Supports voice intercom, Thermography Alarm Shielded Area, Detection Range: within 30 meters(0.1 square meter fire pan), Fire and Smoke Detection, IP67.