Sport Direct USB Cob Bicycle Rear Light

30 lumens power output with 10 Micro COB (Chip on board) LED'S. | The LED visibility is up to 800 metres.| There are 4 lighting modes: Eco beam (30% - 8 hours running time), | Normal beam (30% - 3.6 hours running time), Medium beam (50% - 2.5 | hours running time), High beam (100% - 1.2 hours running time).| 4 flashing modes: Slow flash with normal beam (20 hours running time), | Slow flash with medium beam (4 hours running time), Slow flash with high | beam (2.2 hours running time), Quick flash with medium beam (9 hours | running time).| It has a low battery indicator which lets you know when to charge it up via | a green LED light.| Built In Polymer 500mAh 3.7v Battery| USB Rechargeable| IPX8 rated, water resistant.| Mounting bracket is included and can be fitted easily using the | instructions provided.| UKCA/CE approved.