WAHD20A/20B/20EA/20EB-MD30 Two Way Audio Outdoor Long Distance Waterproof Zoom Lens 2.0mp AHD Camera

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Product Details

WAHD20A/20B/20EA/20EB-MD30 Two way audio outdoor long distance waterproof zoom lens 2.0mp ahd camera

Feature:

1080P outdoor

DWDR, Defog, Motion detection

Privacy mask, 2D/3D NR, OSD

HD Megapixel Lens

30m ir distance

3.6mm leds

Model	WAHD20EA-MD30	WAHD20EB-MD30	WAHD20A-MD30	WAHD20B-MD30
Pick up Element	1/3"Aptiona	1/3"PXI	1/3"Aptiona	1/3"PXI
Effective Picture Elements (H×V)	PAL/NTSC : 1280*1080
Horizontal Resolution	1280H
Scanning System	2:1 interface
Synchronous System	Internal, Negative sync.
Auto Electronic Shutter	1/50(1/60)S-1/100,000S
Gama Characteristic	0.45
IR Distance	30Meters (with ￠8X6PCS Infrared LED)
IR Status	Under 10Lux by CDS
IR Power On	CDS AUTO Control
Video Output	1Vpp, 75Ω
Auto Gain Control	Auto
Power/Current	DC12V/350mA ±10%
Lens	3.6mm
	HD Fixed lens
Dimension (mm)	142(W) x70(H) x72(D)mm
Storage Temperature	-30~+60℃ RH95% MAX
Operating Temperature	-10~+60℃ RH95% MAX
NW	0.5 KG

This outdoor uses of a bullet camera involve monitoring any activity around the business or home perimeter and viewing the person at the door before opening the door for that person。

FAQ:

1. What is the current mainstream digital video surveillance products?

Analogue camera, AHD camera, Hybrid camera, Digital video recorder (DVR)

2. What are the advantages and disadvantages of fiber access?

Advantages: high transmission bandwidth,good security system performance and reliable.

Disadvantages: not yet large-scale commercial applications, coverage is not wide, limited line resources, higher prices.

3. How to install video server and PTZ, alarm equipment?

The role of the head is to make a fixed camera rotation; and alarm equipment play a security role for the electronic switch generating short circuit and open signal. Once the signal is captured, the video server can generate a local alarm. The output signal can be a variety of target control; such as off-site linkage alarm, alarm signal remote transmission to the monitoring staff, causing the staff of the incident warning and can be based on the actual situation to make the corresponding alarm processing.

4. Camera classification and features?

1) bullet camera: lower price, but didn't have the zoom and rotation function, only monitoring a fixed range of distance.

2) dome camera: a certain degree of concealment, while small size, beautiful, can be hoisted on the ceiling.

3) integrated camera: built-in lens, automatically focus on the lens control convenience, installation and debugging simple

4) infrared day and night camera: protective cover, infrared light, power supply unit integrated into one of the camera equipment, with night vision distance, hidden strong, stable performance and other advantages;

5. Image Sensors

Image sensor is very essential technicial part located in your security cameras, which captures the light hitting your camera's lens, then turning into electrical signals to be recorded as video. The two types of sensors used with security cameras are CCD and CMOS sensors.