Bike HeadlightUSB Rechargeable Bicycle Light with Taillight and Speedometer and Odometer and Horn/Alarm BellBike Lights for Night Hiking Camping All Mountain and Road Cycling RidingEasy to Mount -Blue-

-5 Kinds of Recording Methods-Accurate measurement values can be adjusted, you can view the total distance, maximum speed, average speed, riding time and one-way records, suitable for outdoor cycling travel and bike training. -USB Rechargeable- No more costs on batteriesThe front bike light has aLarge-capacity built-in lithium battery, which charges 2-3 hours through Micro USB port with double charging efficiency, lasting ,diversified charging modes connect power bank ,computer etc. Product specifications: Size: 14x11.5x4cm Weight: 100 grams Material: ABS, Charging Time: 2-3, Discharge Time: 3 hours always on ODO: the total number of kilometers DST: one-way kilometers MAS: top speed AVS: average speed T M: Cycling time Rubber Base Rubber base is stable buckle design, easy to disassemble, easy to installation, firm and not loose with the bicycle handles, suitable for most bicycle handles. Upgrade T6 Highlight Lamp Bead Strictly follow the night driving standards, improve overall brightness, long range, long life, low power but sufficient brightness NOTE When not using for a long time, please charge it once in 1-2 months. Do not direct the human eye, it may cause short-term blindness