£24.99 – Ravemen CL01 USB Rechargeable Seat Rail / Seatpost Mount 30 Lumens Rear Light

Key Features:Eye-catching flashing light with maximum output of 30 lumens Provides great visibility for riding Built-in motion sensor for brake detection and auto-on-off function when activated Special lens design to increase side visibility when crossing over a junction Auto power save and indicator for low battery USB-C charging port for convenient use IPX6 water-resistant for heavy rain protection Compatible with round or aero seatposts Technical SpecificationsLED: COB LED Battery: 200mAh/3.7V Li-polymer battery Dimensions: 61 x 32 x 15mm Weight: 22gModeBrightness (lumens)RunTime (hrs)Impact Resistance Water ResistanceHigh55Low210Warning Flashing309.51 meterIPX6Rapid Flashing511Slow Flashing 0.545