Easy to install
Suitable for bicycles and electric bicycles with steel wheels
The meter head is plug-in type (unplug at any time to prevent theft)
【Product name】 Waterproof bicycle computer model SD-548
【Brand】 Shundong/SUNDING
【Material】 Engineering plastics electronic components
【display】 LCD display
【size】 46mm*45mm*19mm
【weight】 About 100G
【Configuration】 Watch body, watch holder (wired with induction probe), induction magnet, cable tie, Chinese manual
Note: Keep a sensing distance of 3~5mm between the probe and the magnet. Otherwise, the speed value cannot be sensed!
![](https://img.alicdn.com/imgextra/i2/1603643742/TB2E_6TFkyWBuNjy0FpXXassXXa_!!1603643742.jpg)