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

3.5inch TFT digital door viewer/digital peephole viewer

3.5inch TFT digital door viewer/digital peephole viewer
Product Detailed
1. 3.5inch LCD 2. 300,000pixels camera 3. CE/Fcc/RoHS/UL approval 4. Factory & lower price 5. OEM service



3.5inch TFT digital door viewer/digital peephole viewer





This product is convenient to install, and simple to use. Its originality redresses the defect of “hearing the voice but without seeing the man” of traditional doorbell. Both the aged and children at home can easily operate and clearly identify the outdoor visitor, helping us to improve the home security. Its automatic photo-taking and video-recording functions enable you not to miss any visitors during your travelling outdoors.

Application: outside and inside sight





Fashion colors for your choice





Why choose digital peephole video door bell?















Technical parameters


Power source

BP-6M (1100Ma)

Adapter, battery of mobile phone: BP-6M (1100Ma)



300,000 pixels, CMOS high-resolution camera


Display device

LCD 3.5” 240*320 resolution


Sound format



Memory device

T card (up to 32G supportable)


Shooting mode

Manual and automatic video-recording


Current in “hold” mode

Less than 1mA


Stand-by time

>1000 hours


Charge time

3 hours


Electrostatic protection



Service life of keystroke

> 100,000 times


Environmental temperature





Bell button: the bell button could replace the traditional peephole, just need to connect the indoor machine and outdoor machine by a wire we supplied, easy DIY for users and do not need to make any change of the your door.It suits for every families, apartments, villas and hotels. Even your door is metal one, KDB02 video door bell with 2-5meters wire could help.12 melodies for choice, 4 infrared lights allow the camera to take clear photo or video within a distance of 1.5meter. The 300,000pixels camera will take picture automatically or manually while someone is pressing the bell button. 3.5”TFT digital color screen with high definition no radiation and low power consumption.The handheld indoor host machine could be taken out from the holder for random checking while you are in home, that makes sure you know who visited while you were out.Support extended TF memory. Up to 32G extendable. Auto circulating memory.Charge and record supportable. Dual power supply system 3.7V lithium battery/5VDC 2A charger.


Battery & Charge


When the battery is at low power, the battery level indicator will flash, and meanwhile the buzzer will make “tick-tock” prompt tone, charge the machine immediately. This product can be charged by charger or USB data line connecting to the computer, or remove the battery to charge it, this unit can work while charging. Battery type: this unit uses high quality lithium battery; please select the designated BP-6M battery in case of replacement.

Note: When the battery level is low, photo, video and USB flash disk functions cannot be realized.





Manual 1pcIndoor set 1pcOutdoor unit 1pcHolder of host machine 1pcM4 screw 1pcCharger 5V2A 1pcUSB2.0 data line 1pcLithium battery BP-6M 1pc


Delivery time:10-45days after receiving depositDelivery place: Shenzhen or HongkongSample freight fee: About USD25.00-USD60.00



Certificate: CE/Fcc/RoHS






Installation Guide --- it's easy to DIY



The intelligent monitoring doorbell consists of outdoor machine, host machine, holder, indoor set and flexible connection, and fixed at the peephole of security door using mounting screws.This model is applicable to hole of door: 16.5-40mm, thickness of door: 30-80mm. The general assemble drawing is shown in Diagram 1:

Installation Steps

1. Thread the outdoor unit (with flexible connection) through the peephole of security door, and also the flexible connection. Put the outdoor unit in a correct place with keystrokes at downside and camera hole at upside. Peel off the bottom side of the double-side adhesive tape, and stick it on the door lightly in the way as shown in Diagram 2:

2. Connect the flexible connection with connection base of host machine in the way as shown in Diagram 3.

Open the black cover of connection base upward.Insert the metal side of flexible connection interface into the connection base downward.Depress the black cover of connection base backward, you can hear a clicking sound.Lightly pull the flexible connection to make sure it is firmly connected with the connection base.

3. Move the screw hole on host machine holder to a corresponding position on outdoor unit, if the flexible connection is slightly long, push the central part of the connection line back into the door hole to make the naked part firmly cling into the trunking of host machine, peel off the body paper of the double faced adhesive tape, thread M4 screw bolt through the host machine holder to the outdoor unit, and then tighten the screw bolt in the way as shown in Diagram 4:

4. Insert the host machine with battery into the host machine holder, and then it can be normally used, as shown in Diagram 5:


Definition for Brand "KiVOS"

Figure of LOGO

The warrior head is formed by ancient Rome warrior helmet & English brand name "KiVOS", which means the warrior protects not only our country from battleground, but also our homes, it symbolizes Courage, Strength and Loyalty.The red point of the letter "i" is located in the centre of the head, which means wisdom and innovation.The excircle of ellipse is merged by letters: O, C, Q, G.O---stand for earth, means opening to the worldC---China, means originating from ChinaQ--- Quality, means high qualityG---Green, means environmental protection

Name of " KiVOS"

K --- King: means Authority and Leaderi --- idea: means Inspiration, Innovation and WisdomV --- VictoryO --- Open: means FreeS --- Society: means service for society

I am Miss Haley Chen from Hongji, I believe communication makes success, so let's do it from now on !


3.5inch TFT digital door viewer/digital peephole viewer

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