Product Model: DH-IPC-HDW3849H-AS-PV-S3
Certification: CE-LVD; CE-EMC; FCC; UL/CUL
Image Sensor: 1/2.8" CMOS
Max. Resolution: 3840 (H) × 2160 (V)
ROM: 128 MB
RAM: 512 MB
Scanning System: Progressive
Electronic Shutter Speed: Auto/Manual 1/3 s–1/100,000 s
S/N Ratio: ﹥ 56 dB
Illumination Distance: 30 m (98.43 ft) (IR); 30 m (98.43 ft) (warm light)
Illuminator On/Off Control: Auto; manual
Illuminator Number: 1 (IR LED); 1 (warm light)
Pan/Tilt/Rotation Range: Pan: 0°–360°; Tilt: 0°–78°; Rotation: 0°–360°
Lens Type: Fixed-focal
Mount Type: M12
Focal Length: 2.8 mm; 3.6 mm
Field of View: 2.8 mm: Horizontal: 106°× Vertical: 55°× Diagonal: 125°;  3.6 mm: Horizontal: 85°× Vertical: 45°× Diagonal: 100°
Iris Type: Fixed
Close Focus Distance: 2.8 mm: 2.0 m (6.56 ft); 3.6 mm: 2.8 m (6.23 ft)
Video Compression: H.265; H.264; H.264H; H.264B; MJPEG (Only supported by the sub stream)
Day/Night: Auto (ICR)/Color/B/W
BLC: Yes
HLC: Yes
WDR: 120 dB
Scene Self-adaptation: Yes
Noise Reduction: 3D NR
Motion Detection: OFF/ON (4 areas)
Region of Interest (RoI): Yes (4 areas)
Smart Illumination: Yes
Defog: Yes
Operating Conditions: –40 °C to +60 °C (–40 °F to +140 °F)/Less than 95% RH
Storage Conditions: –40 °C to +60 °C (–40 °F to +140 °F)
Protection Grade: IP67
Function: 
8 MP 1/2.8" CMOS image sensor, low luminance, and high definition image.
Outputs max. 8 MP (3840 × 2160)@25/30 fps.
H.265 codec, high compression rate, ultra-low bit rate.
Built-in warm light and IR LED; the max. IR illumination distance is 30 m and warm light distance is 30 m.
ROI, SMART H.264+/H.265+, AI H.264/H.265, flexible coding, applicable to various bandwidth and storage environments.
Rotation mode, WDR, 3D NR, HLC, BLC, digital watermarking, applicable to various monitoring scenes.
Intelligent monitoring: Intrusion, tripwire (the two function support the classification and accurate detection of vehicle and human).
Abnormality detection: Motion detection, privacy masking, scene changing, audio detection, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, and voltage detection.
Alarm: 1 in, 1 out; audio: 1 in, 1 out; supports max. 256 G Micro SD card; buit-in dual MICs; 1-ch speaker; support two-way talk.
12 VDC/PoE power supply.
IP67 protection.
Sound and light alarm (red and blue lights).
SMD 3.0.
One press arming/disarming through alarm input.