1. Simply bike meter by using iPhone.
使用手機來當作簡易的自行車馬錶
2. Very big digital numbers provide easy way to read the GPS speed.
超大數字提供非常簡易讀取ＧＰＳ速度
3. Also provide heading, distance, altitude, slope, slope% and with slope calibrate.
同時提供方向 騎乘距離 所在高度 坡度 坡度百分比 也可以校正坡度
4. 如何教正坡度：
將手機固定在自行車上並按下校正鍵則校正度數會出現而坡度將
被歸零
How to calibrate slope:
Fix iPhone well on your bike then press the Calibration
button and calibrating degree will be show up and slope
will be reset to zero.