See sense elite 20 front 250l rear 155l setget some road sense with the see elite intelligent front and rear light set these tiny clever lights help make you more visible flashing brightest when a cyclist needs it most seriously bright leds long run time usb rechargeable no switches weatherproof lightweight widely dispersed light strong mount see sense has it all hands down some of the best safety flashers weve encounteredbikeradarfeatures 144 lumens rear and 240 lumens fr