T Tocas Larger 36 LED High Intensity Law Enforcement Emergency Flashing Strobe Lights with Magnetic Base for Car Trucks Boat Construction Roof Mini Bar - Amber Last pattern recall / memorized function ! Weather-Proof IP67 With two buttons to on/off & switch between 7 modes, great for undercover or to use when needed Installation: Plug this into your 12V cigarrette lighter and with the magnetized bottom place on any exterior metal. Can be seen up to 1/2 mile Panel Dimensions: 13.8" ( wide ) x 8.25" ( deep ) x 2.75" ( height ) / Cable length: 10 FT Straight Cord/ Number of LED: 36/ Lifepan: 30000 hours Magnetic base that can be put onto any rooftop