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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Cobell
  • Model Number: DB31S
  • Camera: B/W
  • Power: Battery Power
  • Type: Wireless Door Doorbell
  • Product Name: Smartphone Wifi Doorbell
  • Function: Talking
  • Connection: WIFI/ RJ45 (POE)/3G/4G
  • Support: IOS Remote Talk
  • Resolution: 640*480
  • Color: Silver
  • Certificate: CE FCC ROHS
  • Input/Output: Built-in microphone, two-way audio
  • Night Visibility: 4pcs IR-LEDS, Night vision up to 3 meters

Packaging & Delivery

Packaging Details Battery Doorbell Camera Packing With No Brand Color Boxes, Also Can Pack as Your Requirement.
Delivery Time Samples Delivery Within 3 days after Receive Payment

High Quality Night Vision TF Card Recording Android & iOS App Remote Control Battery Doorbell Camera 

Product Description


  • Patent design
  • Weatherproof
  • IR night vision
  • Wide-Angle Lens camera 
  • RTOS Operating Systems
  • Compatible with free iOS and Android APP
  • Supports two-way audio, built-in microphone
  • PIR (Passive Infrared Detection) motion detection alerts
  • Easy Installation (AP supported), wired/wireless optional
  • TF Card optional, keep the snapshot of visitors automatically
  • IEEE 802.11b/g/n wireless connection, WEP, WPA and WPA2 encryption 
  • Dual-powered by battery or wiring, built-in Lithium battery could be easy charged by USB
  • Ultra-Low power consumption(ULPC) design, at least 8 months if less than 10 times per day
  • CE, RoHS, FCC certificated



 Image Sensor

 Image Sensor

 Color CMOS sensor


 Display Resolution



 Lens Type

 Glass Lens


 Focal Length



 Angle of view

 H:130 degrees, V:108 degrees



 Built-in microphone, two-way audio


 Audio Compression



 Video Compression






 Night Visibility

 4pcs IR-LEDS, Night vision up to 3 meters








 Web Server



 Wireless Standard

 IEEE 802.11b/g/n


 By Phone

 Android, iOS


 TF Card

 Up to 32GB Max.



 125(L)*67(W)*23 (H) mm



 163(L)*103(W)*56 (H) mm


 Carton Box

 310 (L)*350(W)*230 (H) mm  20pcs/Carton


 Net Weight



 Gross Weight



 Shell Material

 Aluminium Alloy


 Power Supply

 3000mHA battery, charged by USB


 Working mode

 Average 1.5W


 Stand by mode

IR ON: 35uA;IR OFF: 10uA


 Stand by days

Up to 240days (8 months)

Other Feature




 User Accounts

4 accounts with 2 level




 Limited 1 year warranty




Company Information

Zilink is professional R&D manufacturer for Indoor and Outdoor Wireless IP Cameras,  WiFi doorbell and other smart security products.


We have our own factory, warehouse, R&D team, provide OEM & ODM service, looking forward to cooperating with you.



Our Services

 Design Service

Professional OEM/ODM service could be provided, We have experience to cooperate with BestBuy in North America, Pearl in Germany and so on. Any of your needs for new product or wishes to make further improvements, VIP support  could be offered.



Product Sampling

One of the biggest worries when purchasing from a Chinese supplier, especially for the first time. Our samples procedure takes away your worry.



Quality Controlled

We have experineced and own a strict QC team to ensure the quality. To gurantee the high-quality products sent to our customers.




We can arrange sea shipment, air shipment or express shipment. Or you could appointe your own forwarder, goods will be sent to them, to ensure the shipment for you in time.



 Accept customize logo and package 

Artwork will be provided for visual confirmation, and then a real sample for your final confirmation. If sample confirmed is well done, we will go to mass production.



Payment Terms

We can accept different payment methods: T/T,L/C ,Paypal, Western Union , Escrow , Alipay . It's negotiable.



Packaging & Shipping


Carton box with colorbox inside, 1pc in a giftbox.


Carton box size:

180*120*130 MM 1 pc / carton

540*180*210 MM 10 pcs/ carton

560*310*360 MM 20 pcs/ carton




Goods can be sent within 3-5 working days after payment or deposit received.

By Sea, By Air, Express shipment etc.



 Q1. What is your terms of packing?


A: Generally, we pack our goods in no brand gift boxes and brown cartons. Can OEM your color box as well.



Q2. What is your terms of payment?


A: Big quantity  T/T 30% as deposit, and 70% before delivery. Samall order we accept Paypal, Western Union.



Q3. How about your delivery time?

A: Generally, it will take 25-30 working days after receiving your advance payment. Small order usually delivery within 2-5 working days.


Q4. Can you accept OEM, ODM?

A: Yes, we can do OEM ODM.


Q5. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery




Name: Cathy Xie

Skype: sales5.zilink


Whatsapp: +86 13714996570

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Supplier's Trade Assurance Limit: US $38,000
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