Electronic signaling, no need for storage or transportation restrictions, and no safety hazards. Combines sound and light with high-power speakers, suitable for use in noisy environments; uses light signals that are clearly visible over 200 meters in sunlight, solving the issue of visual interference under sunlight. The sound intervals between the command and the signal are randomly generated, preventing the starting athletes from starting early based on memory.

Feature 1Odd-shaped signal lights, large in area, visible clearly from 200 meters away. Solve the problem of visual interference caused by sunlight.

Feature 2High-powered speakers.

Feature 3Program Control: The interval between the password and the starting shot is randomly programmed.