Dahua 2MP Lite IR Fixed-focal Bullet Network Camera [ DH-IPC-HFW2231SP-S-S2 ]

• 2MP 1/2.8″ CMOS image sensor, low luminance, and high definition image.
• Outputs max. 2MP (1920 × 1080) @25/30 fps.
• Support Triple Stream.
• H.265 codec, high compression rate, ultra-low bit rate.
• Built-in IR LED, and the max. illumination distance is 30 m.
• ROI, SMART 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.
• Abnormality detection: Motion detection, privacy masking, no SD card, SD card full, SD card error, network disconnection, IP conflict, illegal access, and voltage detection.
• Max. 256 G micro SD card.
• 12V DC/PoE power supply.
• IP67 protection.

Camera
Image Sensor 1/2.8″ CMOS
Max. Resolution 1920 (H) × 1080 (V)
ROM 128 MB
RAM 128 MB
Scanning System Progressive
Electronic Shutter Speed Auto/Manual 1/3 s–1/100,000 s
Min. Illumination
0.002 Lux@F1.6 (Color, 30 IRE)
0.0002 Lux@F1.6 (B/W, 30 IRE)
0 Lux (Illuminator on)
S/N Ratio > 56 dB
Illumination Distance 30 m (98.43 ft) (IR)
Illuminator On/Off Control Auto; manual
Illuminator Number 1 (IR LED)
Pan/Tilt/Rotation Range
Pan: 0°–360°
Tilt: 0°–90°
Rotation: 0°–360°

Lens
Lens Type Fixed-focal
Lens Mount M12
Focal Length 2.8 mm; 3.6 mm
Max. Aperture 2.8 mm: F1.6
3.6 mm: F1.6
Field of View 2.8 mm: Horizontal: 107°; Vertical: 56°; Diagonal: 127°
3.6 mm: Horizontal: 88°; Vertical: 44°; Diagonal: 105°
Iris Control Fixed
Close Focus Distance 2.8 mm: 0.7 m (2.30 ft)
3.6 mm: 1.3 m (4.27 ft)
DORI Distance
Lens Detect Observe Recognize Identify
2.8 mm 43.9 m
(144.03 ft)
17.5 m
(57.41 ft)
8.8 m
(28.87 ft)
4.4 m
(14.44 ft)
3.6 mm 58.9 m
(193.24 ft)
23.6 m
(77.43 ft)
11.8 m
(38.71 ft)
5.9 m
(19.36 ft)