["brand new and high quality\nFeatures:\nThe bike light will automatically enhance the brightness for 5s if any downhill, brake, deceleration is detected by G-sensor.\n180 degree field of view width, visibility up to 150m, utilization of high brightness COB, LED and EnSca lens, bright light but not dazzling.\nAll clearly visible at night, no matter rainy or foggy.\nCome with a multifunctional clamp which can be fixed on your backpack or cloth.\nUseful in cycling, camping, hiking, night run, etc.\nDesigned for extreme weather IP65 waterproof and dustproof.\nAviation aluminum. CNC engraving. Hard anodized.\nBike Rear Light and USB Charging Cable and Strap only,other accessories demo in the picture is not included.\n\nSpecification:\nType:Tail Light\nSuitable for:Motorcycle,Mountain Bicycle,Road Bike,Bicycle,Electric Bicycle\nBrightness: 100 lumens\nBattery: 3.7V 500MAH polymer lithium battery\nSuitable for the diameter: 12-32MM\nChangliang brightness full battery life about 3 hours\nMaterial: Plastic\nSize: app.4.3x1.7x2.7cm/1.69x0.67x1.06in\nColor: Black\nPower Supply: USB Charging\nQuantity: 1 Set\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage Contents:\n1 x Bike Rear Light\n1 x USB Charging Cable\n1 x Strap"]