PRODUCT INFORMATION AND FEATURES: 30 LED 12 W LED EMERGENCY VEHICLE MAGNETIC MOUNT STROBE AND ROTATING BEACON WARNING LIGHT. CAR FLASHER MAGNETIC TO BE INSTALLED ON THE ROOF OF THE CAR. MAGNETIC BASE . POWERED BY CAR CIGARETTE LIGHTER . THE SWITCH IS NOT PROVIDED, THE FLASHER IS ACTIVATED AND DEACTIVATED WHEN IT IS REMOVED FROM THE CIGARETTE LIGHTER SOCKET.