B-Stock Products

B-Stock products offer outstanding value and performance. These items were previously returned by customers and cannot be sold as new. Although many of these cameras appear like new as depicted in their respective images, some have been briefly mounted or may show signs of light use. Please note that original packaging is not always included.

Every B-Stock product is inspected, tested, and factory restored to meet the same performance and reliability standards as a brand-new model. Our B-Stock products are backed by a 90-day limited warranty.

Security Camera Technical Specifications

Camera
Model	SV-DV4-N
Maximum Resolution	4MP
Image Sensor	1/3.0" CMOS
Minimum Illumination	Color: 0.003 Lux (F1.6, AGC ON); 0 Lux with IR On
Day / Night	IR-Cut Filter with Auto Switch (ICR)
Shutter	Auto / Manual, 1 ~ 1/100000s
Pan	3° to 360°
Tilt	0° to 70°
Rotation	3° to 360°
S/N Ratio	>52dB
Wide Dynamic Range	120dB WDR
DORI Distance
Detect	63.0m to 270.0m (206.7 ft to 885.8 ft)
Observe	25.2m to 108.0m (82.7 ft to 354.3 ft)
Recognize	12.6m to 54.0m (41.3 ft to 177.2 ft)
Identify	6.3m to 27.0m (20.7 ft to 88.6 ft)
Illuminator
Supplemental Light	Infrared (IR)
IR Illumination Distance	Up to 40m (131.2 ft)
IR Wavelength	850nm
IR On / Off Control	Auto / Manual
Video
Main Stream	4MP (2688 × 1520): Max. 25fps 4MP (2560 × 1440): Max. 25fps 3MP (2304 × 1296): Max. 30fps 1080P (1920 × 1080): Max. 30fps 720P (1280 × 720): Max. 30fps
Sub Stream	720P (1280 × 720): Max. 30fps D1 (720 × 576): Max. 30fps 640 × 360: Max. 30fps
Video Streams	Dual Streams
Video Bit Rate	128 Kbps to 6144 Kbps
U-Code	Supported
OSD	Up to 4
Privacy Mask	Up to 4 Areas
Region of Interest (ROI)	Supported
Image
White Balance	Auto / Outdoor / Fine Tune / Sodium Lamp / Locked / Auto2
Digital Noise Reduction	2D / 3D DNR
Smart IR	Supported
Image Flip	Normal / Vertical / Horizontal / 180° / 90° Clockwise / 90° Anti-Clockwise
Dewarping	N/A
HLC	Supported
BLC	Supported
Defog	Digital Defog
Detection & Intelligent Features
Basic Detection	Motion Detection / Ultra Motion Detection / Tampering Alarm / Audio Detection / Cross Line Detection (Based on Human Body Detection) / Intrusion Detection (Based on Human Body Detection)
Cross Line Detection	Supported – Based on Human Body Detection
Intrusion Detection	Supported – Based on Human Body Detection
General Functions	Watermark / IP Address Filtering / Access Policy / ARP Protection / RTSP Authentication / User Authentication / HTTP Authentication
Audio
Built-In Microphone	Yes
Audio Compression	G.711U / G.711A
Audio Bit Rate	64 Kbps

CAMERA FEATURES

4 Megapixel IP Security Camera
1/3.0" CMOS Image Sensor
Motorized Varifocal Lens
Up to 131 ft Infrared Night Vision
Excellent Low-Light Performance – 0.003 Lux Color
Built-In Microphone
Human-Based Cross Line Detection
Human-Based Intrusion Detection
Ultra Motion Detection
Motion Detection
Tampering Alarm
Audio Detection
120dB Wide Dynamic Range (WDR)
2D / 3D Digital Noise Reduction
Smart IR
Digital Defog
Region of Interest (ROI)
Privacy Masking – Up to 4 Areas
Dual Video Streams

Approximate Distances

Identify: 21 ft to 89 ft
Recognize: 41 ft to 177 ft
Observe: 83 ft to 354 ft
Detect: 207 ft to 886 ft