Aluminum SSC-P7 waterproof 900lm LED bike light [Type:]aluminum led bike light headlamp[Description:]aluminum led headlampMaterial; aircraft aluminium LED bike lightFinishing; third grade anodisationColor; black and grey led bike lightLED; SSCP7 led bike lightLuminous Flux; 900 Lumins led bike lightLED Life Span; 50,000 hoursBattery; 8.4V 4.4AH lithium batteryDischarge Time; 180 minutes (100% brightness)Charge Time; 3.5-4.0HLow Power Warning; low power red light warningLighting Modes; 100% brightness % 30% brightness & flashing(2.4HZ)Weatherproof Grade; IP65LED bike lightSize; Φ43*50MMN.W.; 0.42KGCAUTIONS of LED bike lightA. please charge in safetyB. do not portable batteries, lest affect product performance and hair Danger.ADVANTAGES of LED bike light1. Put is fixed to the bicycle, use as light,2. with elastic rubber wigs, cooperate lamp lights use pledge.fixing picture. packaging picture