@Monnalisa Hello, Smart bulbs should always respond when you manually turn on/ off the switch, when wifi does not work, bulb just loses Internet from WiFi and that should not affect the hardware...

@Abasa Hello, From your description, it could be a hardware defective on the camera, it is recommended to factory reset the camera with camera powered on, and see if the Status Led blink red and...

@Tapolaf Hello, Thank you for your valuable feedback. May I have a video clip showing the rhythmical ringing sound in video clips or live view? You may share via Google Drive link, many thanks....

@Ganik Hello, We are sorry to hear about your experience. As your case is quite special, we would like to have a specialist look into this further via email. Please check your mailbox later, Thank...

@Llew We could only watch cloud video clips on Tapo APP if you have subscribed the Tapo care. Remote live-streaming on computer is possible if you use RTSP, but I'm afraid so far we do not have a...

@gsmithsa Hello, We have an FAQ that may help, please check *What if the recorded videos have no sound?* https://www.tp-link.com/support/faq/2905/ Can you share some details how to use play the video...