Autoark Emergency Hazard Warning LED Mini Bar Strobe Light W/ Magnetic Base (Amber) 240 LED produces a very bright light Up to 30,000 hrs life expectancy With a just one button to 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 Great for emergency workers, construction, security, etc Includes: 1x Strobe light unit