Features 1、Flashing LED structure, brighter light, intermittent beep, loud sound. 2、Bottom dustproof base, standard vents, high temperature housing. 3、Suitable for use as indicators, warning signals, accident signals and other indication signals in the signals of factory equipment, instrumentation, marine equipment, medical equipment, lathe CNC, oil extraction, textile, electric power, light industry, etc. within 3-5 minutes. 4、Multicolored galvanized screws for corrosion and aging resistance. 5、Powered by DC/AC12V and the light luminance is >=100cd/m². Specification Item Type:LED Buzzer Brand:BERM® Product Model: AD16-22SM LED Color: Red Lightness: ≥100cd/m² Rated Current: ≤20mA Mounting Aperture: 22mm Package List 10 x Buzzer