6. A flashing green light must be composed of one or more light emitting diode (LED) modules with a flash rate between 1 Hz and 4 Hz that complies with SAE Standard J845 dated February 2019 or a subsequent version published by the Society of Automotive Engineers.
The light must be equipped with a light-shield that reduces the glare affecting the driver due to the reflection of the light. Its maximum size, excluding the attachment system, must be 260 mm wide, 76 mm high and 185 mm deep.
85-2021O.C. 85-2021, s. 6.