D-LIGHT CG-420R1 rear light

Features: - USB rechargeable rear light - 30 chips super bright COB LED - Daytime flashing function provides extra safety while riding during the day - Fits round and aero style seatposts, seatstays and forks - Easy to install and fit - Low battery indicator - Automatic Power Saving to provide additional runtime - Water resistant Specifications: - Size: 79.5 × 29 × 30 mm - Weight: 31 gram - LED: 30 chips high brightness red COB LED - Output: 50 Lumen - Battery: Rechargeable lithium-ion polymer battery - Run Time: 1 hr (High Beam) / 3 hrs (Low Beam) / 28 hrs (Flashing) / 13 hrs (Pulsating) / 7 hrs (Daytime Flashing) - Strap: fit Ø19-48 mm