New, unused. I'm selling because I have a few extras. The box is not included (to save on shipping costs) m(._.)m Bike rear light with brake sensor, USB Type-C for bicycles I also use it on my Trek (Last photo is my personal item) Auto setting It turns on automatically in dark places. It turns off automatically after 30 seconds in bright places. Manual setting Always on See the photos for details #DeRosa #DEROSA #Campagnolo #wheels #carbon wheels #frame #bicycle #high-end bicycle #Pinarello #PINARELLO #Colnago #Italy #road bike frame #bike #new #new bike #Trek #TREK #Time #Felt #FELT #TIME #Look #LOOK #Cervelo #cross bike #mountain bike #Bianchi #cycle jersey #cycle wear #road bike wear #cycle computer #cycle computer #Garmin #Bryton #GIANT #giant #Giant #Giant #Specialized #BMC #Tarmac #Madone #Canyon #CANYON #105 #Ultegra #Dura-Ace #Merida #MERIDA #Bontrager