Product Specification: Car Emergency Warning Flashing Strobe Light Engineering Police Lamp. Perfect for use in Fog, Rainy, Snowy, Mud Wind Season. Usage: Police, fire engine, ambulance, 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. Size Chart: Material:Plastic Powered by 2pcs AA batteries(pacakage not include). Size:Approx.10.5x10.5x17cm/4.13x4.13x6.69inch Package Includes: 1 Piece LED Beacon Light Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.