. Ensuring you can be seen at any time of day, this rear light by LifeLine is an ideal way to enhance your visibility for the AM/PM rider. Featuring seven differing light modes to suit the time of day, weather and conditions of your run, this versatile, rechargeable addition to your riding setup is a true lifesaver. Fitting to your seatpost or helmet, its lightweight, water-resistant body will keep you safe and seen in any situation. Features: LED: 38 chip COB Battery: Rechargeable Lithium-Ion Polymer Battery (300mAh) Modes: 7 – High Beam (1 5HRs), Low Beam (4 5HRs), Flash 1 (20HRs), Flash 2 (5HRs), Flash 3 (7 5HRs), Flash 4 (15HRs), Daytime Flash (8HRs) Charging: Micro USB Mount Type: Post and Helmet Mounts, Post Mount fits 19-32mm diameter posts Water Resistant: Yes Battery Level Indicator: Yes – Constant light: 100-50% battery remaining; Slow flash: 49-25%; Fast flash: less than 24% Weight: 18g Buy LifeLine Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.