International * Domestic Patent Pending Partners needed for product launch If following drivers had just 0.5 additional seconds of warning time, rear-end collisions could be reduced by 60%. (according to the NTSB Special Investigation Report SIR-01/01). SafeTstrobe gives following driver that additional 0.5 plus another 1 to 4 seconds of warning time. SafeTstrobe flashes a pulsating strobe light outside and towards the rear upon deceleration of the leading vehicle.