Qoltec Video doorphone Theon 4 | TFT LCD 4.3" | White

Qoltec Video doorphone Theon 4 | TFT LCD 4.3" | White

Product code: 51780

Qoltec video doorphone is a product made of high-quality materials that guarantee reliable operation. Our product also offers:
- 4.3" TFT LCD display,
- wide viewing angle,
- night mode,
- functions: "do not disturb" and opening the gate,
- protection against rain and low temperatures,
- modern look and comfort of use,
- 16 melodies to choose from

Professional Guardian of Your Home

How many times when answering the video doorphone you heard "Please open. Letter carrier", after which a suspicious man without a uniform appeared in the stairwell? Or how much would you give on a Saturday night knowing that a curious neighbor from the property next door calls your wicket, not your colleagues? If your intercom does not give you full control over who you let into your property or company, it is time to choose a modern solution, which is a video doorphone. It is a device thanks to which you will not only see and hear the person at the door but also open the entrance gate without leaving the house. The Qoltec brand has in its offer video doorphone, which are ideal for both your company and home. 

Universal solution for your home

We always pay attention to the details of the equipment we produce so that they meet the expectations of our customers. Qoltec video doorphones are made of the highest quality materials that guarantee their reliable operation. Not only did we take care of the modern design, but we also equipped them with additional functions:

- 4.3'' TFT LCD display ensures excellent image quality, 
- the ultra-thin design is a modern look that fits perfectly into any room, 
- the option of connecting two monitors 
and communication between them guaranteeing the comfort of use regardless of where you are,
night mode (infrared IR) provides excellent visibility after dark

Bet on comfort of use

To guarantee the highest level of work, we have equipped our device with additional functions:

wide viewing angle so you will not miss anything,
option "do not disturb" for people who can appreciate moments of peace,
the gate unlock function provide convenience with one button,
- the rain cover and low-temperature protection protect the device even in severe weather conditions,
16 different rings - choose your favorite melody or change it every day


If you value the quality of purchased equipment our projects and solutions are focused on meeting your expectations. Qoltec video doorphone is covered by 24 months warranty.

Technical data
4.3" TFT colour LCD
Effective area
95.04 x 53.86 mm
Dot pitch
0.370 x 0.107 mm
Outline size
170 x 120 x 16 mm
Output voltage
12 V ; 1 A
Input voltage
220 - 2040 V ; 50 - 60 Hz
Power consumption
static state: < 0,2 W ; warking state: < 5 W
Monitoring time
40 s +/- 10%
Talking time
120 s +/- 10%
Working distance
50 m
Night vision
Yes (IR Light)
indoor panel: 480 x 272; outdoor panel: 700 TVL (CMOS)
0.1 LUX (outdoor panel)
Viewing angle
IP Rating
IP 55
Dimensions indoor panel
168 x 119 x 12 mm
Dimensions outdoor panel
with rain cover: 168 x 87 x 41 mm; without rain cover: 159 x 79 x 30
Additional information
option to connect 2 monitors
remote unlocking
do not disturb function
gate unlocking function
ultra thin
volume and brightness control
16 ringer melodies
Package contents
indoor panel
outdoor panel
rain cover
power cable
mounting kit
Operating temperature
- 20°C ~ + 50°C
Relative humidity
10 % ~ 90 %
Net weight
0,448 kg
Gross weight
0,780 kg
24 months
EAN code
Technical support

If you have problem with this product please contact us using this form.
You can also contact us using telephone, phone numbers are in contact.

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Retail sales

You can find our product in well known stores with electronic equipment.


Ntec is an exclusive distributor of Qoltec product in Poland www.en.b2b.ntec.eu