https://www.burton.co.uk/product/mountain-warehouse-lightweight-360-rotating-design-mounted-bike-triangle-tail-light_p-b399b7f1-e9fe-42fc-bbcb-d68cc8d6c18e£colour=Black&size=One%20Size

The Mounted Bike Triangle Tail Light is perfect for night-time cyclists. With its 360rotating unique design and its 5 flashing modes, this durable and bright tail light is essential for staying safe whilst cycling. It can be charged in 2.5 hours for a run time of 4-6h. Dimensions: 53 X 53 X 32mm. Easy to use - please see instructions on the packaging Runtime - 6 hours (Ref: 049187) | Mountain Warehouse Lightweight 360° Rotating Design Mounted Bike Triangle Tail Light in Black - Manufacturers part number: Mountain Warehouse_5057653257898