Front:Compact, durable cycling light with a machined aluminium body. It features built-in cooling fins and cutouts for side visibility. Its single LED design provides up to an impressive 500 lumens of output and eight output modes—including a Daytime Flash mode. Runtime has increased by 2.5 hours for up to 20 hours. Charging is simple with an integrated cable-free USB stick. It’s available in five colours (Black, Silver, Red, Blue, Purple) and securely straps to a variety of handlebar shapes and sizes.Rear:Redesigned for our Year 13 collection, the Strip Drive Rear features our new Wide Angle Optics lens that provides up to 270° of visibility. It also features an increase of 27 hours in runtime for a maximum of 57 hours. Its co-moulded construction is more compact, but still boasts five LEDs for up to 150 lumens of output. With 11 output modes, including a Daytime Flash mode, it’s got options for any time day or night. A versatile mounting system attaches to aero or round posts and it’s micro-USB rechargeable.Key Features:Front:Max Lumens: 500,Weight: 84g,Max Runtime: 20 hours,Recharge Time: 2:30 hours,.,. Rear:Max Lumens: 150,Weight: 53g,Max Runtime: 57 hours (in Femto mode),Recharge Time: 2 hours,.,.