The FL-FJL2 is ideal for headlight or grille light flashing needs. The unit is compact, heat resistant, weatherproof. The electronic timing offers a consistent flash rate unaffected by changes in temperature, vehicle voltage, or current load. The FL-FHL2 can flash two 10 amp loads at a flash rate of 95 flashes per minute. The headlight flasher is disengaged when highbeams are activated.