Car Emergency Warning Flashing Strobe Light Engineering Police Lamp DC 12-14V strobe flash type, Perfect for Emergency Situations Perfect for use in Fog, Rainy, Snowy, Wind , Usage: Police, fire engine, , street sprinkler, truck Suitable for alarm at a dangerous post in industrial and mineral enterprises, at the watch post, on the top of a vehicle, etc Durable, long lifespan, super bright Type: LED Warning Light The black wire is the positive pole The voltage of the black wire and the white wire is 12V The voltage of the black wire and the red wire is 24V Material:plastic colour:Yellow Package Contents: 2 x Warning Light Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.