【Unique heart-shaped signal】: The unique heart-shaped LED signal sign is available in three bright colors: red, yellow and green, adding a touch of freshness to the traffic light while improving road safety 【LED lamp beads】: This heart-shaped traffic light is equipped with high-brightness LED lamp beads, which can achieve maximum visibility in all low-light environments, improving pedestrian safety and reliability 【Independent resistor protection】: Each lamp bead of the traffic light has independent resistor protection, even if a single resistor burns out, it will not affect the normal operation of other lamp beads 【Easy installation】: The snap-on design of the traffic light makes it easy to install and replace the light board; just tighten a few screws and twist the light board to replace the old LED light board 【Wide application】: This traffic light is available in two sizes, 300 mm/12 inches and 400 mm/16 inches, and requires 2 to 3 people to install. It is suitable for use at intersections, outdoor garages, construction sites, docks, etc