CEC Industries EF31L electronic flasher, designed for 12V systems and featuring 3 prongs, commonly used in automotive applications for turn signals and hazard lights. Function: This type of flasher is often used to ensure proper blinking speed when replacing incandescent turn signal bulbs with LED bulbs, as LEDs draw less current and may not trigger a mechanical flasher. Compatibility: While designed for LED conversions, electronic flashers like the EF31L can also work with traditional incandescent bulbs or a mix of both. Manufacturer: The flasher is manufactured by CEC Industries Ltd., a company known for producing automotive electronic components. Specifications: The label indicates it's a 12V, 3-prong flasher, suitable for various vehicle applications.