Video Intercom Door Phone System 1 RFID Card Reader HD Doorbell Camera In Stock Wholesale

Note:

• We provide 4-core or 5-core or 6-cables.(please see the packaging contents.)

• The cables are very easy to be found in your local market as they are international standard.

• We suggest testing the door phone kit with our original cable before installation, and the distance between the units should not be too close(3 meters distance may be OK) while testing, or it will cause noise sound.

• The total length of the connection cables can NOT exceed 100 meters.

• If your cable is too long and NOT thick enough,Not pure copper, it will cause many problems, please check the wiring requirement.

  	0.2mm2	0.5mm2	1.0mm2
  Indoor to outdoor max distance	30m	50m	100m
  Indoor to indoor max distance	20m	50m	100m
  Outdoor to Electric lock max distance	2m	3m	5m