Multi Function Emergency Strobe Light High Power Flashing Deck dash Lamp 36 Led Red BlueLatest ultra bright LED chip set technology Adjustable angle to fit different screen This Emergency LED Truck Strobe Lights is great for emergency workers, postal service, construction vehicle, security etc. Low consumption, energy saving, no pollution, no noise, no electronic interference, and long Lifespan. It is specifically designed to work on vehicles. Comes with four sucker mounting.