Bicycle Parts USB Rechargeable LED Bicycle Headlight Bike Head Light Front Rear Lamp Cycling Headlight Features: Color:black,white Led chip: CREE-XPE chip, 3W LED Led power: 3W Lumen: 300 lumen Color temperture: 6000k Material: PC lampshade +ABS lamp shell Light modes: highlight - low bright - flicker Battery: built-in rechargeable lithium ion polymer battery (800mAH, 3.7V) Weight: 70g Size: 6.5* 3* 2cm Applicable vehicle tube diameter: 20-40 mm Charging Time:3 hours by USB Discharge time: highlight 3 hour, low light 5 hour, shiny 12 hour TaillightFeatures: Product specifications: 2*7.2*2cm 3 LED Light color: Red,White, blue Material: Plastic housing Mode Charging time: 2 hours Use time: about 10 hours 4 modes: long light-slow cycle flash-fast cycle flash-burst flash Waterproof: IPX-4 Suitable models:Smooth Design,Waterproof Seal,Easy To Install,Fits all bicycles. Package Included: Combination set as shown Please note: Some buyers find that the taillights cannot be turned on after receiving the goods, please follow the steps below: 1. If you find that the tail light cannot be turned on, please charge the tail light first, and then try to turn on the tail light 2. If you still cant turn on the taillight after charging, please