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What is WDR or Wide Dynamic Range

What is Dynamic Range?

Dynamic range is the difference between, or ratio, of the largest and smallest possible values of a measureable quantity, such as sound and light. In the case of cameras, dynamic range is the ratio of the lightest and darkest elements that are capable of being displayed on an image.

Wide Dynamic Range is a technology utilized by security cameras in order to balance out images that have a large dynamic range. An example of this situation would be if an indoor security camera were pointing towards a window or building entrance. During daytime, the image produced by the camera would be extremely washed out due to the high brightness of the incoming light. This effect is commonly seen in restaurants, stores, offices, and other buildings that have large windows or entrances.

Regular Lens BLC Compensation Wide Dynamic Range

Smart Detection:

1. Tripwire

Setup-event-IVS analyse-tripwire

(1) Enable Tripwire

(2) Draw rule, in the state of editing shows yellow, after the completion of the displayed shows blue, as pic 1 , and save it;

(3) when there is somebody intrude the area ,the display shows red.

2. Intrusion

Setup-event-IVS analyze-intrusion

(1) Enable Intrusion;

(2) Draw rule, in the state of editing shows yellow, after the completion of the displayed shows blue, as pic 2 , and save it;

(3) when there is somebody intrude the area ,the display shows red, as pic 3

3. Abandoned/missing

Setup-event-IVS analyse-intrusion

(1) Enable Abandoned/missing, when this function is enable, the Intrusion is untenable;

(2) Draw rule, in the state of editing shows yellow, after the completion of the displayed shows blue, as pic 4 , and save it;

(3) when something is missing or Abandoned,the display shows red.

Specification

Model CHAT Starlight-B

• Image Sensor: 1/1.9” 2Megapixel CMOS
• Effective Pixels: 1920(H)x1080(V)
• Scanning System: Progressive
• Electronic Shutter Speed: Auto/Manual, 1/4~1/10000s
• Min. Illumination: 0. 005Lux/F1.65 (Color),0Lux/F1.65(IR on)
• S/N Ratio: More than 50dB
• Video Output: 1 port

Camera Features

• Max. IR LEDs Length: 50m
• Day/Night: Auto(ICR)/Color/B/W
• Backlight Compensation : BLC / HLC / WDR(120 dB)
• White Balance: Auto/Manual
• Gain Control: Auto/Manual
• Noise Reduction: 3D
• Privacy Masking: Up to 4 areas
• EIS: Support
• Ultra Defog: Support

Lens

• Focal Length: 4~8mm motorized
• Max Aperture: F1.65
• Focus Control: Auto
• Angle of View: H:90°(Wide)~58°(Tele)
• Lens Type: Motorized /Auto Iris(DC)
• Mount Type: Board-in type

Video

• Compression: H.264/H.264B/H.264H/MJPEG
• Resolution : 1080P(1920×1080)/720P(1280×720)/D1(704×480)/CIF(352×240)
• Main Stream: 1080P/720P(1 ~ 50/60fps)
• Sub Stream : D1/CIF(1 ~ 25/30fps)
• Third Stream: 1080P/720P/D1(1 ~ 25/30fps)
• Bit Rate: H.264: 32K ~ 8192Kbps
• ROI: Up to 4 areas

Audio

• Compression: G.711a/G.711u
• Interface: 1/1 channel In/Out
• Smart Function: (Optional)
• Smart detection : Tripwire/Missing/Abandoned/Audio detect/Defocus detect/Face detect
• Intelligent function: People counting/ Heat map

Network

• Ethernet: RJ-45 (10/100Base-T)
• Wi-Fi: N/A
• Protocol: IPv4/IPv6, HTTP, HTTPS, SSL, TCP/IP, UDP, UPnP, ICMP, IGMP, SNMP, RTSP, RTP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, QoS, Bonjour
• Compatibility: ONVIF, PSIA, CGI
• Max. User Access: 20 users
• Smart Phone iPhone, iPad, Android, Windows Phone

Auxiliary Interface

• Memory Slot: Micro SD, Max 128GB
• Alarm: 2/1 channel In/Out

General

• Power Supply: DC12V(AC24V optional), PoE (802.3af)
• Power Consumption: <12.5W
• Working Environment: -30°C~+60°C, Less than 95% RH
• Ingress Protection: IP66
• Dimensions : 273.30mm × 94.8mm× 94.8mm
• Weight : 1.25kg