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Item specifics
  • Type: Intercom System
  • Sensor Size(Inch): 1/3
  • Viewing Angle (°): 92
  • Size: 4.3inch
  • Doorbell: Yes
  • Samrt Home Interface: No
  • Communication Interface: Wired
  • Model Number: 520X5-V43E156
  • Brand Name: Yobang Security
  • Kit Configuration: One to Five Video Doorphone
  • Installation: Wall Mounting
  • Connection Method: Wired
  • IP Camera Interface: No
  • Technology: Digital
  • Display Screen Type: Color
  • Camera Sensor type: CCD
  • Waterproof: Yes
  • Zone Input: None
  • Resolution: 420TVLine
  • Answering Mode: Telephone
  • Camera: color
  • Display Screen Size(inch): 4.3inch
  • Access Control: yes
  • Power: AC 100V-240V 50 Hz/60 Hz
Product Description



Video Doorphone for Multi-apartment

​1 Set= 1 Outdoor camera +4 Indoor Monitors





>>>Operating instruction:


1.When the visitor press the “call” button on the outdoor station, the ringing will be triggered 

on indoor phone, and with the image shown on display screen. 

2.The resident presses “intercom/call” button, the talk process is established. 

3.The resident presses “unlock” button during talking to open the electric lock. 

4.Press the “monitoring” button, and the resident can monitor the situation outside. 

5.If one residence installed several indoor phones, press ”communication/call” button to 

establish the indoor phone with other indoor phones. 


>>>Ringing music selection instruction: 

1.Press the “monitoring” button and hold it for about 5 seconds, the system switch to music 

selection situation. 

2.when hearing the music, press “function” button to shift the music, each time for shifting one 

music (there\'s only 3 music to shift ). 

3.When a music has been selected, press the “monitoring” button to confirm, or it will return 

automatically and remain the selected music before after 20 seconds



>>>Installation warning:

1.Use RVV4 core wire to connect outdoor station with indoor phone, while RVV5 core wire to connect indoor phone with the next indoor phone.


2. The cross— sectional area of the wire connecting host and electric should be less than 1 mm (21mm),and the length should be shorter than 15m(≤15m), or the cross—sectional area of the wire should be enlarged.

3.Install the outdoor station at a height with good line of view,the suggested height is 150cm (the height of the camera).

4.The outdoor station and indoor phone should be installed away from direct sunlight, high temperature, condensing, wet, chemical corrosion and dusty places (standard temperature 0-45 degree),in case that the inner components are affected with damp and other sundries get into the machine.

5. Do not use chemicals, cleansers and other detergent to clean the surface.

6. Do not install the intercom system in strong magnetic field (such as nearing the non-shielding speaker).

7. Do not install the intercom system in magnetic disturbed terribly field (such as nearing the electric motor).

8. Do not install the intercom system in the place with a noise higher than 65Db,or the receiver of the indoor phone will be disturbed.

9. Switch off power during installation.

10.After all the wire being connected well, check it repeatedly and plug the power in if no error occurred.

11. When power in and any abnormal situation occurred, power off immediately until you find the trouble and solve it.

12.To keep the stability of the system and make it easy to repair in the future, all the thrum of the wire can\'t put in the tube or anywhere accessible to water, the thrum should be soldered and packed well with heat shrinkable tube, and it should be waterproof and damp proof.

13.Non-professionals should not open the cover without authorities.

14. If the system is abnormal, power off and check it by parts according to <common mistakes handling>.

15. If the problem hasn\'t been found, please contact the dealer or the after-sales services department, do

      not repair it by yourself or change the components in case that it will damage the system



>>>Technical parameters

Outdoor camera:


definition :420line 

luminance: 0.02LUX0.1LUX
static current :≤60mA
unlock current: ≤2000mA
working voltage :DC10-14V
working temperature: -10-60degree
Indoor monitor:
Display screen: 4.3″TFT
definition: 480×240
dimension: 229×162×33mm
power source: DC14V 1.2A
video input: 1VP-P/75Ω
bell: chord
show time :switch to standby mode after 30 seconds
power consumption:standby≥0.02W,working≥6W
connecting wire :5 core wire
Input:AC 220V 50Hz
output :AC 14V 1000Mah


>>>Standard package contents: 


1pcs outdoor units+

4pcs indoor units

4 * AC adapter 

1 * 5m 4-core Connection cable 
1 * 2-core Connection cable 
1 * Package of screws 
1 * User manual - English 









Packaging Details
  • Unit Type: piece
  • Package Weight: 6.0kg (13.23lb.)
  • Package Size: 60cm x 50cm x 30cm (23.62in x 19.69in x 11.81in)
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Packaging Details
  • Unit Type: piece
  • Package Weight: 6.0kg (13.23lb.)
  • Package Size: 60cm x 50cm x 30cm (23.62in x 19.69in x 11.81in)
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