A compact cycling safety light built around two highoutput LED emitters\n Offers up to 200 lumens of output and an attentiongrabbing Daytime Flash mode Features lightweight yet durable comolded waterproof construction (IPX7 rated) \n Five output modes, up to 20 hours of runtime, and an integrated USB stick for convenient cablefree recharging\n Rear Light: Compact yet powerful rear light that ensures optimal visibility and safety on your rides\n With a maximum output of 40 lumens, an impressive 45hour runtime in Femto mode, and six different output modes, including Daytime Flash, this rear light provides reliable illumination\nUnique design is compatible with aero and round seatposts, ensuring versatility for various bike setups\n WideAngle Optics lens design provides 270° of visibility. An integrated USB stick allows convenient cablefree recharging\n Rigorously tested to IPX7 Waterproofing standards, it can withstand challenging weather conditions