190 DB Sound: buzzer warning alarm, volume around 90 DB, sound and light integration can quickly convey information to distant people. 2LED Lamp Beads: The Flashing alarm lamp adopts LED lamp beads, the color of the light is pure, the light spreads far, and the high light warning effect is achieved. 3Waterproof and Dustproof: Light is waterproof, dustproof and anti aging for outdoor use, suitable for outdoor environments such as outdoor security doors and automatic retractable doors. 4Easy to Install: This warning light is easy to install, simple to operate, widely used in factories, warehouses, etc. 5Plastic Material: Warning light is made of plastic material, which is wear resistant and durable, and can be used for a long time.