The utility model discloses a remote monitoring device using wireless communication. The remote monitoring device comprises a server terminal and a plurality of terminals. Each of the terminals comprises a cylindrical housing, a data acquisition module, and a wireless communication module. The data acquisition modules are connected with the wireless communication modules, and can be used to acquire the video information, and output the video information to the wireless communication modules. The wireless communication modules can be used to send the video information to the server terminal by the wireless transmission. The server terminal is provided with a display unit, which can be used to receive and display the video information. The data acquisition modules and the wireless communication modules are respectively fixedly disposed in the cylindrical housings. The cylindrical housings are provided with a plurality of through holes. An outer wall of each of the cylindrical housings is fixedly provided with a monocrystalline silicon solar cell unit, and a charging circuit is disposed in each of the cylindrical housings. The charging circuits are connected with the monocrystalline silicon solar cell units respectively by at least one through hole, and are respectively connected with the data acquisition modules and the wireless communication modules.