This product has the advantages of low voltage drive, environmental protection and energy saving, high brightness, wide scattering angle, good consistency, ultra-low power consumption, strong anti-interference ability, and ultra-long life. Built-in 1uF capacitor. The control circuit is integrated on the LED, making the circuit simpler, smaller in size, and easier to install. Negative output, long flashing after power-on, 3.8HZ, 1/8 duty cycle.