Gold Member Since 2012
Audited Supplier
Shenzhen Ealink Technology Co., Ltd.

Video Door Phone, Video Doorphone, Doorphone manufacturer / supplier in China, offering 4 Inch Monitor Home Security System Video Doorphone, 7′′ Video Phone Door (M1707A), 7" Commax Video Door Phone with Touch Key (M2207B+D25AC) and so on.

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Supplier Homepage Product 4 wire video door phones Indoor monitors 4 Inch Monitor Home Security System Video Doorphone

4 Inch Monitor Home Security System Video Doorphone

FOB Price: US $30-80 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $30-80/ Piece
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Port: Shenzhen, China
Production Capacity: 5000sets/Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: M2804ADTA
  • Type: Wired
  • Voice Service: With Voice Service
  • Certification: RoHS, FCC, CE
  • Feature: Super Slim Design
  • Business Type: Factory
  • Trademark: Ealink
  • Specification: 180*112*17mm
  • HS Code: 85176990
  • Night Vision: With Night Vision
  • Color: White
  • Installation: Wall-Mounted
  • Category: Home & Security
  • Operation: Touch Buttons
  • Quality: Good
  • Transport Package: Carton
  • Origin: China
Product Description
4 inch monitor home security system video doorphone

Function and name of each part:

4 Inch Monitor Home Security System Video Doorphone

Main Functions:

1.Hands free intercom
2.Lock control
3.Support 2door stations + slave monitors(up to 3),or 1 door station+2CCTV
4.Color, brightness,contrast,volume and display mode adjustable
5.Real-time monitoring to door station or CCTV camera
6."Do not disturb" function
7.Make internal call to other monitors
8.Broadcast function
9.Monitor listening to another indoor monitor
10.Touch buttons
11.25 polyphonic ring-tones switch freely


Panel4.3" digital TFT LCD
TFT resolution480*272
Connection/Effective length4wire/100m
Video channels quantity2 door bells
Monitor quantity4
Power(rated power/standby power)DC14.5V/0.8A(5W/0.3W)
OperationTouch buttons
Lock controlYes
Voice monitoringYes
Intercom transfer/call/broadcastYes
Image capturingNo
Video/audio recordNo
Calendar&alarm clockNo
Voice messageNo


4 Inch Monitor Home Security System Video Doorphone

Wire diagram:

4 Inch Monitor Home Security System Video Doorphone


4 Inch Monitor Home Security System Video Doorphone4 Inch Monitor Home Security System Video Doorphone


1.By Air or Express like DHL,UPS,Fedex,EMS

2.By Sea for FCL or Container

3.Customer specifying freight forwarders or negotiable shipping methods

4.Delivery time: Samples 3-5days;Batch goods 15-30days

Company Info:

4 Inch Monitor Home Security System Video Doorphone


Q: Can I get one sample to test first?

A: Of course. For the sake of our long term relationship, you can buy and test the sample first.


Q: Can you do OEM / ODM for customers?

A:  Yes we provide full OEM & ODM service, Logo design, carton box design, our engineer  can design as your request.


Q: What is your MOQ?

A: We don't have MOQ limitation for buying the goods


Q: How about your lead time?

A: After confirm received your deposit, for bulk order,  need 5-30 days.


Q: What is your warranty for your products?

A: 15Months


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