This product features low voltage drive, energy saving and environmental protection, high brightness, wide scattering angle, good consistency, ultra-low power consumption, strong anti-interference ability, and ultra-long lifespan. The control circuit is integrated on the LED, making the circuit simpler, smaller, and easier to install. It has a positive output and a long flash on power-on. The flash frequency is 4.0Hz with a 1/2 duty cycle, and the frequency tolerance is ±30%.