Shenzhen Hong Ji Electronics Technology Co., Ltd.
Main products:Video Doorphone,Video Doorbell,Alarm
Contact Us
  • Contact Person : Mr. Huang William
  • Company Name : Shenzhen Hong Ji Electronics Technology Co., Ltd.
  • Tel : 86-755-27150848
  • Fax : 86-755-27151938
  • Address : Guangdong,Shenzhen,Building 4th,NO6 Industrial Park,YuLu Village Gongming Town Baoan District ShenZhen China
  • Country/Region : China
  • Zip : 518106

Video door phone commax video door phone wireless KDB300

Video door phone commax video door phone wireless KDB300
Product Detailed
1. 2+3 max 2. Wireless video door phone 3. For villas, apartments, houses,etc 4. 3.5inch LCD color screen 5. Waterproof IP55

 Video door phone commax video door phone wireless KDB300  








KDB300 wireless video door phone is a 2.4G wireless high-tech household intelligent product integrating doorbell, photo-taking, video-recording, intercom, monitor and unlocking functions into one. Adopting the latest energy saving technology, its stable performance and fashionable appearance design make it the first choice of your high-quality intelligent life.

This product is convenient to install, and simple to use. It is specifically designed for villa users and supporting the use of two outdoor units and three indoor monitors. Indoor monitors can communicate to each other,communication range can reach 300 meters in open space. Battery equipped outdoor unit’s proper monitoring function can replace Baby Monitor.

Two way intercom(300m in a open space, indoor monitors are able to work well seperated by 3 walls.)



Rain cover adopted, 5 grades water proof

Fashionable outdoor unit, mounted on outwall, resists the wind and rain.

Waterproof grade: IP55

Fashionable appearance, built-in aerial

Fashionable patented appearance, aerial built in to protect it effectively.


Unique designed outdoor unit, put indoors to monitor and intercom and could used as Baby Monitor.

Colored night-vision effect

White LED configured, exposure could be adjusted instantly. Colored image effect of night-vision is more clear and vivid. (Infrared lamp is alternative, image effect is white and dark in night.)



1. Wireless two way video intercom.

2. Pictures and video recording manually and automatically.

3. For villa, house, apartment.

4. 3.5inch LCD screen

5. 120 degree wide angle lens

6. 1 outdoor camera, 3 indoor monitors Max.

7. Nokia chargeable lithium battery supported, adaptor equipped.

8. IP55 waterproof

9. Door release

10. 2.4G public frequency for the users from all over the world.

11. Patented shape design, unique supplier (manufacturer/factory) and unique products for you, no copy.

12. CE, Fcc and RoHS approved.





More Pictures  

Fashional colors for your choice.






Indoor monitor holder(table type), wall-hung type is available...



Adopt 2.4G ISM digital public frequency brand: 2402~2483.5MHz.Transmitting power 16~20dBm, receiving sensitivity: 90~100dBm. Intercom speech pattern.Image data and voice data synchronous transmission. Outdoor machine adopts 300,000pixels camera, indoor machine adopts 3.5’’ TFT display screen to show vivid and clear images.SD card for video and picture storage (TF card, auto circulation storage, Max: 4G supported). Power supply: lithium battery 3.7V for indoor machine, USB interface for charge and downloading.Chargeable lithium battery 3.7V for outdoor machine, adapter: 5V 1A.Adopt AFH self-adaption frequency hopping technology, which allows the machine work well along with sharing 2.4G frequency band with WIFI and Bluetooth simultaneously.Transmission distance reaches 300meters at an open space.  2 to 3 function(2 outdoor units and 3 handsets)could be achieved, handset could call to each other.Outdoor machine adopts tamper alarm function.Images adopts MJPEG compress mode, one-way wireless transmission could reach 12fps.Transmission channel, synchronization channel and40Bits code generate at random.Outdoor machine adopts night vision function (infrared lamp or LED flash) controlled by indoor machine.Outdoor machine adopts unlocking door function,power for electric latch: 12V (User Supply).CE/CCC/Fcc/R&NTTE/RoHS approved.


Outdoor unitPowerSpecific lithium battery BP-6M(1100mAh)
Outline dimension134*74*31mm
Environmental conditionTemperature: -10°C~+50°C 
Waterproof gradeIP55
PlacementHang on outwall
Surface materialABS & hardware accessories
View angle120° wide angle
Night vision pattern2 leds or IR lamp
Working time3hours continuously
Standby time1000hours
Charge time3hours
External powerDC5V 1A
Indoor monitorPowerSpecific lithium battery BP-6M(1100mAh)
Outline dimension126*84*20mm
Environmental conditionTemperature: -0°C~+40°C 
PlacementHang on wall or table style
LCD size3.5" TFT color screen
Wireless communication mode2.4GHz
Working time2hours continuously
Standby time100hours
Charge time3hours
External powerDC5V 1A
Application distanceAbout 300m in open space

Company Pictures

R&D Center, mold structure design center, Testing center...

Video door phone commax video door phone wireless KDB300

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