Please follow the steps below:

1. Check the power source: Make sure the power outlet you're using is working properly. You can also try plugging the camera into a different outlet.

2. Check the power cable: Check that the power cable is not damaged or frayed.  You can also try using a different power cable to see if this solves the problem.

3. Reset the camera: Try resetting the camera by pressing and holding the Reset button for about 10 seconds. This will usually restore the camera to its default settings and may help to resolve minor problems.

If the problem persists or if you encounter any further difficulties, please don't hesitate to reach out to EZVIZ customer support for additional assistance.

Please note that for security reasons, it is sometimes necessary to reactivate the device before using it. Please follow the App Wizard or the steps below to reactivate your camera:

1. Tap “Activate device”.

2. Unplug the Ethernet cable or power cable and tick “The device is offline”, then tap “Next Step”.

3. Wait for the end of the offline detection process, and if successful, the page will jump to the “Take the device online” page.

4. Reconnect the Ethernet cable or power cable back and tick “The device is online”, then tap “Start Activate”.

5. Wait for the result of the activation, and if successful, you can then try to add your camera.

Regarding the time problem you are experiencing, please try the following to see if it solves the problem:

1. Ensure that the device firmware is updated to the latest version, you can check the version in Camera Settings or on some models in Camera Settings > Device Information. If it is not the latest, you will be prompted to update.

2. Try resetting your device by pressing the reset button and then reconnecting to the network.

If the problem persists or if you encounter any further difficulties, please don't hesitate to contact EZVIZ customer support for additional assistance.

Please follow the steps below:

1. On the EZVIZ APP, tap the three-dot icon next to your camera name from the Home page to enter the Device Settings page.

2. Scroll down and tap "Auto Tracking" or "PTZ Settings", depending on your device model.

3. Enable or disable "Human Tracking", "Motion Tracking", or "Auto Zoom Tracking" depending on your device model.

Please be advised that error code 330007 typically indicates a failure to connect to the server. Regarding this, please try to restart your mobile phone and EZVIZ device to re-configure. 

Regarding your issue, please kindly note that since the human body temperature is generally constant at around 37 degrees which emits infrared rays with a specific wavelength of about 10um, PIR detection is based on the induction of the infrared rays emitted by the human body.

Therefore, the detection accuracy is highly affected by the installation conditions and environment. You could choose to do the below modification to improve the PIR detection accuracy:

1) It is advised to install the device at a height of around 2-3 meters above the ground and at an angle of 20 degrees downward;

2) Ensure the device is kept away from air conditioners, refrigerators, stoves, and other areas like directly facing the window where the air movement is active;

3) Try to avoid obstacles and interference such as huge furniture and large bonsai;

In addition, please note that it is also related to the direction of the human movement. The PIR sensor is the least sensitive to the radial movement response, and the most sensitive to the transverse direction (that is, the direction perpendicular to the radius) movement.

Meanwhile, when the ambient temperature increases in summer, and the ambient temperature and the human body temperature might become relatively close, the detection function and sensitivity of the sensor might decrease, and sometimes the triggering might be not very sensitive as well.