£20 off your order Instant finance available Trade in for up to £300 Cashback No Quibble Return Policy

GRADE A1 - As new but box opened - Night Watch NightWatcher NW4D1-520-4B 4 Channel 500GB Plug and Play CCTV System Kit with 4 x 520 TVL Cameras 77179891/1/NW4D1-520-4

Quickfind code: 898312

Try Which? today and get £15 OFF orders over £150!

Which? Logo We are working with Which? to offer you a great deal. Try Which? for £1 and in return you’ll get £15 off orders over £250 when you shop on Laptops Direct. It's quick, easy, and most importantly, you'll save money.

Benefits Member Access
Unlimited access to all member content on which.co.uk, including our Best Buys and Don't Buys which offer
Detailed reviews of our latest products from our Test Labs
Weekly newsletter to keep you up to date with all the latest from Which?
Monthly Which? magazine delivered to your door
Access to consumer legal advice via Which? Legal which offer

Want to take advantage of this offer?

Visit Which? and for £1 you will get a 1 month's trial subscription as well as your £15 off orders over £250 for Laptops Direct. Membership continues after your trial at £10.75 per month.

When will I receive my code?

Usually instantly. As soon as you've taken out your Which? membership you'll receive a welcome email that will contain the promotional code. (Please note in a few cases the email can take up to an hour to arrive, please also check your junk folder.)

When will my voucher code expire?

The code will be valid for 2 days and can only be used once.

How do I use my voucher code?

Once you've received your code simply place an order via our website and enter the code at the basket page.

Please note: Once your trial comes to an end, your membership will continue at £10.75 a month. Remember you can cancel at any time during the trial or when you’re a member. The email can take up to an hour to arrive, please also check your junk folder. If you don't receive an email from Which? please call their Member Services team on 01992 822800.

mail meEmail Me When Back in Stock »

See all delivery & collection options

We deliver 6 days a week from 7am - 8pm, including the option of next day and Saturday delivery on 1000’s of products. We offer a range of delivery services for you to choose from, with many allowing you to choose a delivery date. Most of our delivery partners give you delivery time slots on the day of delivery and the ability to track your order. You may also have the option to collect from our Huddersfield or East Midlands stores, or from thousands of nationwide CollectPlus collection points.

Simply enter your postcode below to see your delivery options:

Enter delivery postcode for options and prices:
click to close
Why buy me
Valid promotions & discounts
Free Gift Card

£15 off orders over £250 when you trial Which? for only £1. Click here for more information.

Price match: We constantly check our prices to give you the best deal possible. Call us if you see it cheaper elsewhere.

Ways to pay

Ordering from us is easy. We accept all major credit and debit cards, including Visa, MasterCard, Switch, Delta, Maestro, Solo and American Express, as well as Amazon payments and Paypal - making placing an order with us as easy and convenient as possible.

payment options

Product Information

A1 Refurbished
A1 are open boxed units which have been returned usually due to being unwanted. The units may have at very worst case have very faint minor /non-permanent blemishes. All units then undergo a full 25-point inspection by our experienced tech team ensuring they are in full working order. Once all relevant checks have been complete the units are then securely repacked ready to be resold. Please note although we can’t guarantee that these units are still in their original boxes with all their original accessories we can confirm that on average 85% of our stock is still in its original packaging.

GRADE A1 - As new but box opened

NightWatcher NW4D1-520-4B: Plug & Play CCTV System

The NightWatcher NW4D1 CCTV kit is the ideal security solution for your home or business. It features the latest D1 DVR recording technology, providing real time, high resolution recording and HDMI playback for up to 4 cameras. 

The NW4D1-520-4B come with a 500GB hard drive, 4 x weather-proof 520 TVL day/night, high resolution cameras and all the accessories required to install your CCTV security system. The DVR will record up to 20 days** from 4 cameras; view cameras live on TV or via your smartphone from anywhere in the world using the free vMEye app*, when connected to the internet and transfer video evidence direct to a USB drive.  

Key features:

  • Real time, full screen record and playback. Supports up to 4 cameras.
  • Set up your DVR in minutes.
  • Sharp 520 TV lines CMOS camera.
  • Powerful day & night vision up to 65ft/20m.
  • Connect to HDTV, LCD & plasma TVs.
  • Protect your property.
  • Simultaneously view & record.

Technical Specifications:

Camera Type:Analogue
Resolution (Maximum):728 x 488 Pixels
Day and Night Operation:Yes
Resolution (Pixels):728 x 488 Pixels
Image Sensor:CMOS
Image Sensor Size:1/3 Inches
Brightness Control:Automatic
Gain Control:Automatic
White Balance:Automatic
Exposure Control:Automatic
Contrast Control:Automatic
Frame Rates:25/30 Per Second
Supported Video File Formats:H.264
Video Resolution:1024 x 768, 1280 x 1024,1280 x 720, 1920 x 1080
Television System:NTSC/PAL
Resolution (TV Lines):520
Video Resolution (PAL):704 x 576
Video Resolution (NTSC):704 x 240
Peak Wavelength:850 nm
Number of Infra-Red LEDs:24
Infra-Red LED Life:10,000 Hours
USB Ports:1 x USB
RJ-45 Ports:1 x RJ-45
Video Input:4 x RCA Inputs
Video Output:1 x RCA Outputs
Network Protocol:TCP/IP, DDNS, UPnP
DC Input Voltage:12 V DC
Environmental:Operating Temperature -10 to 60 °C - Humidity
Form Factor:Video Surveillance Camera Kit
Case Colour:Black
Dimensions:25.0 cm (W) x 20.5 cm (D) x 4.5 cm (H) - Weight 0.9 kg
Internal/External Use:Internal and External


Questions & Answers