ITEM NAME:High Brightness Bike Rear Light Red/Blue, Powerful LED Bicycle Tail Light Description: ADVANCED DESIGN: built in 500 mAh rechargeable lithium battery. It comes with a CHARGING CABLE that charges from your computer, power bank or any device with a USB port. FIVE LIGHT MODE OPTIONS: feature an one-touch switch with five different lighting modes depending on your preference. Include red light, red flash, blue/white light, blue/white flash, red/blue/white flash EASY INSTALLATION: The silicone mount strap for Taillight is designed with four openings that tightly fit around most size handlebars and seat posts. GET RIDING SAFETY: The tail light emits an eye-catching wide-angle beam that can be seen from blocks away, need not worry about being knocked over by others. FITS EVERY BIKE ---- Suitable for all type of bikes, road bike, mountain bike MTB, and also can be used as helmet light, backpack light, wheelchair light, scooter light and caution light. Specification: Material: plastic, silicone Size:approx.7x20x30mm / 0.28x0.79x1.19inch Package Includes: 1 Piece Bike Light 1 Piece USB Charging Cable SKU: DMO0013101666026383.FIVE LIGHT MODE OPTIONS: feature an one-touch switch with five different lighting modes depending on your preference. Include red light, red flash, blue/white light, blue/white flash, red/blue/white flash.