Carmanah Technologies Inc., offers a specialized line of lighting products for the aggregate and gravel industry. The 201, 501, and 601 models are sealed, self-contained hazard marking lights. The lights can be installed in minutes, according to the manufacturer. They are visible from up to two miles away and are available in green, red, white, amber, and blue. The lights are portable, waterproof, and durable, according to the manufacturer. The lights are manufactured to ISO 9001 standards, utilizing a combination of LEDs, solar power, power storage systems, and power management. The lights do not require any wiring or trenching.