Dear:

This product is bolt type no buzzer and the voltage 36V/110V/380V can be customized. Please leave message when you need.

•High brightness LEDtype

•Working :Rolling, Strobe

•Main materials: Lamp holder-ABS,Lamp shade-PC 

•Certification: CE 

•Protection Degree: IP30

•Voltage Options:  AC 220V AC/DC 12V 24V

•When the product voltage is AC, there is no positive or negative (Nothing to do with the color of wires), when the product voltage is DC, black wire is Negative 

•Using scope: Small Mechanical equipment, Automated assembly line, Outdoor etc