2 X Amber LED Beacon Strobe Emergency Flashing Light Warning Lamp for Truck 12V 24V Car Emergency Warning Flashing Strobe Light, Engineering, Police Lamp DC 12-14V strobe flash type, suitable for emergency situations Ideal for use in fog, rain, snow, and muddy conditions Usage: Police vehicles, fire engines, street sweepers, trucks Suitable for warning signals at hazardous locations in industrial and mining sites, guard posts, or on top of vehicles Durable construction, long lifespan, super bright Type: LED Warning Light The black wire is the positive pole Voltage between black and white wire: 12V Voltage between black and red wire: 24V Material: Plastic Color: Yellow Package Contents: 2 x Warning Light Note: Other items not included. Lighting and display differences may cause slight color variation from the image. Measurement error allowed: +/- 1-3 cm.