FRIFLY Bike Computer Wireless Cost-Effective Bicycle Speedometer Bike Odometer Waterproof 1.4 inch LCD Backlight Display mph/kmph Settable.

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About FRIFLY Bike Computer Wireless Cost-Effective

Small size, light weight, wireless and waterproof design makes it convenient and handy, acting as a bike speedometer and odometer, measuring speed, distance and riding time, a good sports tool for bicyclists. With new manual makes installation and operation easier and more convenient. Curved square shape body, press-sensitive buttons, exact modes display, easy cycling data collecting are cost effectiveness of cycling computer. GREEN BACK-LIGHT AVAILABLE and EASY INSTALLATION: Press any buttons in nighttime 18:00-6:00, green back light lasts for 4 seconds, making easy data reading at nighttime. Simple Setup: 1. Install Batteries (Both Sensor and Bike computer requires batteries). 2. Reset the computer before first use in order to achieve the most accurate results. 3. Install the Bracket of the computer. 4. Mount the computer into the Bracket. 5. Mount the Sensor on the front fork. 6. Mount the magnets on the front wheel's spoke. Tips: 1. Keep the gap between a sensor and a magnet SHOULD NOT EXCEED 0.12 inch (3mm). 2. The distance of display and the sensor SHOULD NOT EXCEED 23.6 inch(60cm). 3. Do not put into water or heavy rain.