Dear customer, thank you for sharing your user experience. We take your feedback very seriously and regret that you were not satisfied with your experience. We have verified that the product arrived on time and your deployment was not delayed. From your feedback, we understand that you are experiencing operational difficulties. The cluster management feature of this camera is designed to help you efficiently coordinate your devices, and the operation steps are clearly outlined in the manual. We confirm that the product functionality fully meets your needs. If you follow the manual to complete the setup, you will get the most out of the device.