CREE Waterproof 3 bike led light 1,Shenzhen, China 2,CREE CHIP 3,High lumen 4,High stability CREE Waterproof 3 bike led light Features: ... 1, LED Chip: CREE High Power ... , 4x18650 battery capacity: 4400mAh10, Voltage: 8.4V, sustainable work 3-4 hoursApplications:1, Bicycle lighting, fixed on bicycle2, Worn on ...