Hikfire HF-VH243 NTC + AI 4MP Heat Detection Camera, 2560 × 1440, 1/2.7" Progressive Scan CMOS, 25 fps (2560 × 1440, 1920 × 1080, 1280 × 720), Backlight compensation, 3D digital noise reduction, Alarm and rescue identification when leaving the post , Infrared fill light: 30m/white light fill light: 10m, Four-color indicator light, Temperature Sensing Method: Thermistor, Support High temperature alarm, 1-way alarm input, 2-way alarm output, 1 Built-in microphone, 1 Built-in speaker, supports voice intercom, sense high temperature & temperature difference to give an alarm, and can also verify through video, Support PoE power supply, IP66 dust and water resistant.