AOPUTTRIVER Bike Light Set USB Rechargeable Bicycle Light Front Back Super Bright Waterproof Bicycle Odometer Speedometer 4 Light Modes & Trumpet Fits All Bicycles, Mountain, Road

??? Basic Information ???Weight: 100 gMaterial: ABS PlasticDimension: 14x11.5x4cmBattery Capacity: 1500mAhCharging Mode: USB chargingDischarge Time: 3 hours always on??? How to Set ???Step1?Set the unit --- Long press the Set Button "-“ and the Mode Button "+", the words "km/h", press the Set Button "-" to change it as m/h or not.Step2?Set the speed --- Press the Mode Button"+", at the same time, the number "208" will blink on the display, it means the default wheel size, the unit is Step3?CM. You could press the set button"-" to change the wheel size from 10-315 CM.Step4?Set the ODO --- Press the Mode Button"+", press the set button"-" to adjust ODO.Step5?Press the Mode Button"+". Done.??? Product Features ????Waterproof: IPX65 bicycle light, ride your bike, rain or shine!?Four Light Modes: Mode1?the super bright white light on; Mode2?the white light becomes weak; Mode3?the white light keeps blinking and the orange auxiliary light keeps turning on; Mode4?the orange auxiliary light keeps shining.?Five Speedometer Functions: ODO, AVS, DST, TM, MXS to record total cycling mileage, the average speed of riding, the riding distance, cycling time and the maximum speed of riding.?Various Functions: Remaining battery indicator, unit conversion(Km/h, m/h),  auto power off if no any operation within 30 seconds.?More than a bike light: can be used as an emergency flashlight?torch?helmet headlight?camping?walking or other nighttime work.??? Package Contents ???1* LED Bicycle Lights1* Red Bicycle Rear Light1* USB Charging Cable1* Code Table Data Receiver1* Code Table Data Sensor1* Operation Manual4* Fixing Strap Product details Shipping Weight: 6.9 ounces () ASIN: B085NDTJCH Customer Reviews: Amazon Best Sellers Rank: #365,869 in Sports & Outdoors () #30 in