Construction early warning device

The utility model discloses a construction early warning device which comprises a base, an installation assembly, an LED lamp panel and an energy supply assembly, the installation assembly comprises a supporting device and an installation frame, the supporting device comprises a supporting part movably installed relative to the base in the vertical direction, and the installation frame is installed on the supporting part. The LED lamp panel is arranged in the mounting frame, the energy supply assembly comprises a solar panel and a storage battery, the solar panel is arranged at the top of the mounting frame and electrically connected with the storage battery, and the storage battery is arranged in the mounting frame and electrically connected with the LED lamp panel. According to the technical scheme, the supporting part can move up and down to adjust the height of the LED lamp panel, so that the use requirements of different road conditions are met; the LED lamp panel is powered by a storage battery, a solar