Abstract: A network camera includes a lens for capturing images, and a transmission circuit coupled to the lens. The transmission circuit includes a storage circuit for storing at least one code, and a processing circuit for executing the at least one code to perform following operations: connecting wirelessly to a wireless device via a wireless network, connecting wirelessly to another network camera via a wireless mesh network, bridging the wireless mesh network with the wireless network, receiving a set of data transmitted from the another network camera via the wireless mesh network, and transmitting the set of data to the wireless device via the wireless network.