The cateye orbit 2 bike light set offers you even more light front and rear thanks to an innovative design including reflectors when the lights are on the reflectors are illuminated and when the lights are off you still have that extra bit of visibility featuring two modes with a runtime of up to 50 hours this cateye bike light set is long lasting and reliable as well as easy to use and mount battery powered for a longer lasting performance yoursquoll stay seen and safe with the cateye orb