It is not advisable to use cleaning solutions from other brands. To ensure optimal results and avoid potential damage or adverse effects, it is recommended to use EZVIZ cleaning solution.

Before adding your other EZVIZ devices to the SD7 smart screen, please note the following:

1. Ensure that both the SD7 and your other EZVIZ devices are linked to the same EZVIZ account.

2. Enable “Terminal Authorization” for the SD7 device by navigating to its Device Settings > More > Terminal Authorization.

Next, please follow these steps to add your other EZVIZ devices to the SD7 screen:

1. On the home page, tap the SD7 device card to access the device linkage page.

2. Tap the “Link Device” button.

3. Select either a single device or multiple devices that you wish to link, then tap "Link". For smart video doorphone devices, please select their corresponding doorbell and make sure the that “Terminal Authorization” for the smart video doorphone devices are also enabled by navigating to Device Settings of their monitor> More > Terminal Authorization.

4. Wait for the confirmation message indicating “Linked successfully.”

5. Return to check the linked devices. If you wish to unlink any device, tap the three-dot icon located to the right of the device name. This will reveal the “Unlink” button.

Please make sure the network environment is stable. If you encounter such issue, try switching to a better/different network or disconnecting and reconnecting the device to get it solved. Please also make sure that the base station is properly installed on a hard-level surface with no obstacles in the surroundings.

Please note that up to 50 face recognitions and up to 20 palm veins can be added to HP7 Pro.

To configure speaker settings for the gate opener, please follow the steps below:

1. On the detail page of the wireless repeater, tap the device card of the gate opener and select "Speaker Details".

2. On the "Speaker Details" page, you can turn on the Door Opening Reminder and select a reminder sound as you like.

3. Tap "Save" in the upper-right corner.

After you enable the Door Opening Reminder, each time when the gate is opened or closed, the wireless repeater will make a sound.

Regarding this issue, please try the following troubleshooting steps:

- Ensure that the power source is functioning properly.

- Examine the charging contacts on both the robot and the charging dock. Make sure they are clean and free from dust or dirt. If you notice any debris, use a damp cloth or wet wipes to clean the contacts before attempting to charge again.

- Please turn off the Charging in off-peak time feature on the EZVIZ APP by going to the Device Settings page>More>Charging in off-peak time.

After performing these checks, see if the charging issue is resolved. If you continue to experience problems, please reach out to our support team at cleaning.eu@ezviz.com for further assistance.

Please delete the current map and try to build a new one by press On-off button.

After sweeping has accumulated for more than 30 minutes, reverse entangled hair cleaning will be triggered at the end of the task to reduce the entanglement.

If your smart lock being unable to remote unlock, please kindly follow the steps below:

1. Please make sure your smart lock is running on the latest device firmware.

2. Please check and select the time zone for the smart lock again (device Settings>Device information>Time zone).

3. If you are using the DL01S smart lock, please make sure the lock is connected with the A3 gateway via Wi-Fi connection and its keypad as well.

If you need further assistance, please contact the EZVIZ support team for personalized guidance.

Kindly note that the actual battery life will vary depending on environmental factors, network stability and the frequency of lock activities.

Thus, to optimize the battery life, we suggest you check the following:

1. Weak Wi-Fi connection. Please ensure the network connection is good and there is no barrier or radio interference between your lock and your router, causing unstable network.

2. Please make sure your device is running on the latest firmware.

3. Meanwhile, for smart lock DL03, DL04, DL50FVS, you can try enabling Power-saving Mode in device Settings>Battery to reduce battery drain.

If you need further assistance, please contact the EZVIZ support team for personalized guidance.