Features Bike Computer Set, Include A 350 Lumens Front Bike Light With SpeedometerThis Water-Resistant Bike Light And Bicycle Speedometer Comes With The Usb Rechargeable Function Front Bike Light, All You Need Is A Usb Cord And A Power Source To Recharge (Computer, Laptop Or A Mobile Phone Charger),Precise Measurement Adjustable For Viewing Total Distance, Maximum Speed, Average Speed, Cycling Time And One Way Record, Suitable For Outdoor Cycling Trip And Bicycle Training.Bright Screen Green Backlight Lcd Display With Digits Ensures Easy Reading. During Day And Night, Gently Touch On The Mode Or Set To Wake Up The Backlight Screen.This Bicycle Light Can Be Used As A Regular Flashlight For Hiking, Camping, Walking, Home Or Office Power Failure Emergency Flashlight, Night-Time Family/Kids Activities, Etc. Road Bicycles, Mountain Bikes, Folding Bikes, And Other Common Bicycles Are Compatible With This Bicycle Speedometer.Specifications Colour BlueMaterial And Process Abs, LightweightSpeaker 120 DbBrightness 350 LumensCharging Method Usb ChargingBattery Life 3-5 HoursGear Strong-Weak-Flash-FloodBattery Built-In Lithium BatteryProduct Size \ 5*\ 1CmWeight 100GThe Steps For Setting Up The Speedometer Step \ Set The Unit --- Long Press The Button + And - Together, Then Press The Button - To Transform Between Km/H And M/H. Step \ Set The Speedometer --- Press The Button+, Then The Number 208 Blinks On The Display, It Means The Default Wheel Size (The Circumference Of Just One Wheel), The Unit Is Cm. You Could Press The Button- To Change The Wheel Size From 10-315 Cm. Step \ Set The Odometer --- Press The Button+, Then Press The Button- To Adjust Odometer. Step \ Press The Button+. Done.You Will Receive 1X Bike Front Light Speedometer countryoforigin: Hong Kong