With 5 LED's each, the RSP Radian front and rear lights have high clarity optical lenses, weatherproof construction and compact and lightweight designs. Front light features:5 high performance LED's290 candle power outputSide visibility design for added safetyRuns off AAA batteries (Included)Rear light features:5 high performance LED'sVertical and horizontal mountingWide arc of visibility for added safetyRuns off AAA batteries (Included)