USB Rechargeable Front And Rear Bike Lights Set With Daylight Sensor Auto On Off IPX4 Waterproof Quick Fit Silicone Mounts For Road And MTB\n\nWhy Choose This Bike Light Set\n Ultra bright USB rechargeable front and rear lights with a built in daylight sensor for automatic on off. Four lighting modes help you stay visible in town or on trails and the IPX4 build is ready for wet commutes. Quick fit silicone straps make mounting fast with no tools.\n\n Key Features\n USB rechargeable front and rear LED lights\n Daylight sensor enables auto on at dusk and auto off in daylight\n Four modes constant high constant low flash and strobe\n IPX4 water resistant housings for UK weather use\n Wide beam rear light for side visibility and safer signalling\n Tool free silicone strap mounts fit most bars and seatposts\n\n How to Use\n Charge fully before first ride. Loop the straps around bar and seatpost and hook to secure. Press the power button to choose a mode; enable auto by selecting the dayli.