Check the listing for details. 2-Layer Buzzer Signal Warning Light Tower with Steady Light, White. Color: White, Condition: New, Made in China. Listed at 24.81 USD. These are LED warning light towers for factory or industrial machinery. They are widely used on equipment and machinery in assembly lines or production workshops to track productivity, warn of danger, indicate status, etc.Specification:Color: White;Material: Plastic;Packing List: 1 Pcs x 2-Layer LED Warning Signal Light Tower with 4 WiresAdvantage:The light of this column signal light tower is evenly distributed and visible from a distance. It is easy to install and can quickly receive warning information from a long distance.Instruction:This pre-assembled, pre-wired stacked light tower with wires is ready to use as long as the wiring head is connected to the power supply.Note:Please confirm the voltage and current before wiring and then connect the power supply.