No, Cobra cameras do not need wifi. They are designed to work without it. However, if you want to use wifi with your Cobra camera, you can connect it to your router and use it that way.
Frequently Asked Question
Do Cobra cameras need wifi?
What app does Cobra security cameras use?
How much is a Cobra security camera?
How do I connect my Cobra security camera to my TV?
Do Cobra cameras record?
Do Cobra security cameras record audio?
What is the default password for Cobra wireless surveillance system?
How do I update my Cobra security system?
How do you tell if your TV has a hidden camera?
Can I connect camera to smart TV?
Overall, this was very easy to install and does not require wifi, unless you want to put the app on your phone. 
1) Go to cobra.com/support/CobraTag in a browser on the Android phone. 2) TAP THE LINK TO DOWNLOAD THE ANDROID APP FILE (BAC11292012. APK). 
Cobra 8 Channel Surveillance DVR with 4 HD Cameras and Mobile Monitoring CapabilitiesList Price:$318.46 DetailsPrice:$300.00You Save:$18.46 (6%) 
These are the steps to follow to connect your security camera to your TV monitor:Mount your camera to the wall or ceiling. .. Connect the cables of the camera to the TV. .. Plug in your P4 connector to the camera to make it operational. .. Connect the camera to the power supply. .. Connect your surveillance camera to your TV.21 Aug 2021 
As long as the camera has power and is turned on, it will record video of everything within its field of view. 
Because of the laws of security cameras, the Cobra set does not come with a camera that records. However, the system allows one to record audio in the dvr set-up. But, this camera must be purchased separately.18 Oct 2016 
Step 4: Simply, type in these codes 0000, 1122, 4321, 12345. These are the default security codes set by the manufacturer. 
Updating CAM via the Internet1) Start the COBRA Administration Manager.2) Choose the ‘File’ menu option.3) Select the ‘Update Software via Internet’ option.4) Choose the type of Internet connection you have.5) Click the ‘Next’ button.6) Wait for the files to be downloaded and then click ‘Next’ to proceed.More items.. 
Some newer smart TVs are equipped with a built-in camera, but many are not. It really depends on the model. If your smart TV has facial recognition or video chat features, chances are it has a camera. If it does, you should be able to find the lens if you look closely at the edges of the screen.1 Apr 2020 
Using a USB cable, connect the webcam and insert the other end into an empty USB port on your smart TV. If you use an external web device with USB ports connected to your smart TV to access the internet, you can connect the USB cable there as well. Select the Source or Input button on the TV remote control.21 May 2022 
There’s no need to worry about whether or not your Cobra camera needs wifi – it simply doesn’t. But that doesn’t mean you shouldn’t take advantage of the technology available to you and use wifi to your benefit. After all, there’s no need to have a Cobra camera if you’re not going to use it to its full potential.