Dahua B1A21P-U

Camera

Image Sensor

2 MP CMOS

Max. Resolution

1920 (H) × 1080 (V)

Scanning System

Progressive

Electronic Shutter Speed

PAL: 1/25 s–1/100,000 s;
NTSC: 1/30 s–1/100,000 s

Min. Illumination

0.02 lux @F2.0 (Color, 30 IRE)
0.002 lux @F2.0 (B/W, 30 IRE)
0 lux (Illuminator on)

S/N Ratio

>65 dB

Illumination Distance

30 m (98.43 ft)

Illuminator On/Off Control

Auto/Manual

Illuminator Number

2 (IR light)

Angle Adjustment

Pan: 0°–360°
Tilt: 0°–90°
Rotation: 0°–360°

Lens

Lens Type

Fixed-focal

Lens Mount

M 12

Focal Length

2.8 mm; 3.6 mm; 6 mm

Max. Aperture

F2.0

Field of View

2.8 mm: H: 100°; V: 54°; D: 117°
3.6 mm: H: 80°; V: 43°; D: 94°
6 mm: H: 43°; V: 24°; D: 50°

Iris Control

Fixed

Close Focus Distance

2.8 mm: 0.5 m (1.64 ft)
3.6 mm: 0.8 m (2.62 ft)
6 mm: 2.4 m (7.87 ft)

DORI Distance

Lens

Detect

Observe

Recognize

Identify

2.8 mm

44.7 m
(146.65 ft)

17.9 m
(58.73 ft)

8.9 m
(29.20 ft)

4.5 m
(14.76 ft)

3.6 mm

55.0 m
(180.45 ft)

22.0 m
(72.18 ft)

11.0 m
(36.09 ft)

5.5 m
(18.04 ft)

6 mm

102.9 m
(337.6 ft)

41.1 m
(134.84 ft)

20.6 m
(67.59 ft)

10.3 m
(33.79 ft)

Video

Video Frame Rate

CVI:
PAL: 1080p @25 fps
NTSC: 1080p @30 fps
AHD:
PAL: 1080p @25 fps
NTSC: 1080p @30 fps
TVI:
PAL: 1080p @25 fps
NTSC: 1080p @30 fps
CVBS:
PAL: 960H
NTSC: 960H

Resolution

1080p (1920 × 1080); 960H (960 × 576/960 × 480)

Day/Night

Auto(ICR)/Color/B/W

BLC

BLC; DWDR

WDR

DWDR

White Balance

Auto

Gain Control

Auto

Noise Reduction

2D NR

Illumination Mode

Smart IR

Certification

Certifications

CE-LVD: EN 62368-1;
CE-EMC: EN 55032; EN 55035

Port

Video Output

Video output choices of CVI/TVI/AHD/CVBS by one BNC port

Power

Power Supply

12 VDC ± 30%

Power Consumption

Max 2.8 W (12 VDC, IR on)

Environment

Operating Temperature

–40 °C to +60 °C (–40 °F to +140 °F)

Operating Humidity

<95% (RH), non-condensing

Storage Temperature

–40 °C to +60 °C (–40 °F to +140 °F)

Storage Humidity

<95% (RH), non-condensing

Protection

IP67

Anti-corrosion Level

Basic Protection

Structure

Casing Material

Plastic

Product Dimensions

146.1mm × 70.0 mm × 69.8mm (5.75″ × 2.76″ × 2.75″)

Net Weight

0.15 kg (0.33 lb)

Gross Weight

0.23 kg (0.51 lb)

Installation

Wall mount; ceiling mount; vertical pole mount