US Patent 10480731 Municipal warning lamp

A municipal warning lamp includes control box and a warning lamp post arranged on an upper portion of the control box. The warning lamp post is of a cuboid structure. At least three warning lights with different colors are arranged on each side of the warning lamp post. A power supply, a controller, a temperature and humidity sensor, a network communication transmission unit, an alerter, a data memory, a first telescopic driving cylinder, a second telescopic driving cylinder, and a BLUETOOTH transmission unit are arranged in an interior of the control box. A second telescopic rod is connected to an upper portion of a first telescopic rod connected with an upper portion of the warning lamp post