Specification: -> Model: X6 -> Input: DC 5V 350mA-> Light Intensity: 50lm -> Battery Capacity: 900mAh-> Size: 65*45*35mm -> Net Weight: 75g-> Waterproof: IPX6 -> Service Life: 1000 charging times and 5000 running hours What's in the box: 1x X6 Tail Light 1x Manual1x Charging Cable 1x Rubber FenderDescription: 1. Hands Free:Smart On-off 1 minute to close after pull up and slightly pat/shake to wake it up. 2. Playing by Heart:7 Modes Available Press the switch to change modes， 3-second-press to turn on/off. 3. Safety Guardian:16 LEDs 50 lumens Taiwan imported LED lamp beads. 2 times brighter than common LED beads; 3 times longer service life than normal. 4. Dynamic Fashion:4 Optional Colors High quality industrial ABS plastic with oxidation and grinding technology. Durable and Colorful. 5. Rain or Shine:Built Up with IPX6 Patented waterproof design brings up a perfect streamline body and water resistance. 6. Convenient and Lasting:USB rechargeable 900 Mah battery， 36 hours running time each full charge on flashing mode.Imported rechargeable battery， 2 times stronger! 7. Never Been So Easy:10 seconds installation! Minimal design for easiest installation， and high quality rubber band holds very tight. Don't worry about dropping out.