Sentient EL421 DVR 4 Channel CCTV Kit with 1 Camera (Used)

Code: B03QJ

  • Widescreen 960H resolution 4 channel CCTV kit
  • 1 x clear resolution 600TVL camera with night vision up to 20m
  • 500GB hard drive capacity – giving you up to 30 days recording capacity
  • Exempt from vouchers

Product details

Sentient EL421 DVR 4 Channel CCTV Kit with 1 Camera (Used)

• Widescreen 960H resolution 4 channel CCTV kit
• 1 x clear resolution 600TVL camera with night vision up to 20m
• 500GB hard drive capacity – giving you up to 30 days recording capacity
• Weatherproof camera for indoor/outdoor use
• Motion detection digital video recorder (DVR) with alerts sent to your smart device
• See what’s happening live & receive alerts on your 3G/4G capable smartphone/tablet including iPhone, iPad & Android devices using the free Kview app
• Add up to three more cameras of your choice for additional security"

Download the app to remotely view your Sentient CCTV live stream!


24 hour surveillance for your property
This four channel kit is an ideal introduction to CCTV as it allows you to expand your system with up to three additional cameras. The 600TVL cameras are capable of monitoring your property 24/7 with a night vision range of up to 20m, suitable for both indoor and outdoor use.

Remotely view your property on the move
Use a smartphone/tablet to remotely access your cameras wherever you are using the free Kview app. Specific alerts can be sent to corresponding email accounts when your system detects motion or is tampered with giving you live up to date coverage.

Recording, monitoring and memory
The preconfigured settings are ideal for a quick and easy set up straight out of the box. View your recorded footage in both high and standard definition through the DVR’s VGA, HDMI and BNC outputs to make monitoring easy. You can also play back all your channels at once to review your footage in depth. The 500GB hard drive capacity gives you up to 30 days recording and can be set to motion triggered recording to save space.
EL421 Digital Video Recorder
Video Input 4 x BNC
Video Output 1 x VGA, 1 x BNC and 1 x HDMI
Display Resolution Up to 1080p
Time & Date Stamp on Video? Yes
Number of Simultaneous Video Outputs 3
Audio Input 2 x Phono (RCA)
Audio Output 1 x Phono (RCA)
Compression Format H.264
Recording Resolution 960H
Recording Modes Manual / Motion / Scheduled / Alarm
HDD Interface/Type 1 x SATA
Hard Drive Capacity 500 GB
Maximum Hard Drive Supported 2 TB
Records to SD Card? No
Maximum SD Card Supported N/A
Records to USB? Yes
Records to Cloud Storage? Yes
Alarm Input? No
Alarm Output? No
USB Interface 2 x USB 2.0
Network Interface 1 x RJ45 Port
Network Speed 10/100 Mbps
Network Connection Peer-to-Peer
Supported Network Protocols and Functions DHCP, PPPoE, Static IP
Supported Operating Systems Windows 7 and Above
Internet Viewing? Yes
Handheld Device Support? Yes
Operating Power 12 V @ 2 A
Operating Temperature -20 °C to 50 °C
Dimensions 250 mm x 230 mm x 45 mm
Weight 3400 g
Backup Method Via USB or Network
Mouse Support Yes
Remote Control Yes (Uses 2 x AAA batteries, included)
PTZ Control Yes
Image Sensor Fulcolor
Resolution 800 x 600
Lens 3.6 mm
Maximum Lens Zoom N/A - Fixed Lens
Recording Frame Rate 60 fps
Motion Detection? No
Video Quality 600 TV Lines
Minimum Illumination 0 Lux (IR on) / 0.1 Lux (IR off)
Day/Night Mode? Yes
White Balance? No
Backlight Compensation? No
Viewing Angle (Horizontal) 75°
Viewing Angle (Vertical) 47°
Night Vision
Night Vision Distance 20 m
IR cut Filter? No
Number of Infra-Red LEDs 2
Infra-Red LED Lifespan (Average) 10,000 hours
Indoor/Outdoor IP66 (Weatherproof)
Operating Power 12 V @ 500 mA
Cable Length 18 m
Operating Temperature -10 ° C to 50 ° C
Body Construction Aluminium
Dimensions – Camera 68 mm x 58 mm x 153 mm
Weight – Camera 240 g
Camera Supports Audio? No
500GB hard drive
Camera x 1
BNC Cable 60ft/18m x 1
HDMI cable
Ethernet cable
Remote control
Power adapter & splitter
Mounting screws & plugs
Operating Instructions
Theft Deterrent Stickers

Hello Is this system wireless please

Asked by: Gord
No this is not a wireless system.
Answered by: Billy
Date published: 2016-03-07

what is the maplin warranty on "used" equipment?

Asked by: bigjimmyquango
B-Grade items include used and unused returned products, end of line, slightly marked or refurbished products. To ensure peace of mind each product comes with our 12 month guarantee having been fully tested by our team of in-house technicians. What's even more attractive, all of the B-Grade products are reduced in price!
Answered by: Dominic
Date published: 2015-11-04

does the camera rotate to left & right  ?

Asked by: keith59
You can manually rotate the camera but it will not do it by itself.
Answered by: Brad
Date published: 2015-10-25

Are the cameras remote controlled

Asked by: Steve 123
I am sorry but the item in question does not support use in your intended application.
Answered by: Russell
Date published: 2015-10-21
  • y_2017, m_6, d_23, h_14CST
  • bvseo_bulk, prod_bvqa, vn_bulk_1.0.0-hotfix-1
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_4
  • loc_en_GB, sid_B03QJ, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_maplin-en_gb

Bulk Prices

Item code Item name Quantity Price
B03QJ Sentient EL421 DVR 4 Channel CCTV Kit with 1 Camera (Used) (1+) £127.99

Why not tell us and our B2B sales team about your specific business needs and expectations?

At Maplin, we’re always looking for innovations and technology that can help your business work more efficiently.

With a dedicated business team and special services available only to business customers, you can access our electronics and technology solutions through our wide network of over 200 stores, our website with more than 20,000 products or though your personal account manager over the phone.

Working with organisations for nearly 30 years, Maplin offers a nationwide range of benefits to our business users:

  • 30 day EOM credit account
  • volume discount pricing
  • online and in-store use of account
  • one-to-one account management
  • bespoke product sourcing and branding
  • free delivery on orders over £10
  • scheduled and forward ordering service

Contact our business team on 

0333 400 9740 to open an account or discuss your business needs.

To receive your free copy of the Maplin Catalogue just call 0333 400 9740.


  • Home Delivery
  • Click & Collect