YT-338 Multi-Functional Bicycle Waterproof 25 Function Touch Screen Bike Wireless Speed Meter Hand Tools out of the area immediately

out of the area immediately alarm l historical track: anytime

com/s/1mgwrity Other Features LCD Size: 3

4GHz USB dongle

Product Description Model Number: GSM/3G 900/2100MHz

Power supply method / Electrical:

YT-338 Multi-Functional Bicycle Waterproof 25 Function Touch Screen Bike Wireless Speed Meter Hand Tools out of the area immediatelyWireless trigger automatic wake up function; New design, full intelligent technology. Every time riding is finished, the code table wakes up and wakes up, and it is the state before riding. According to its own preferences, there is no need to adjust frequently. The table shows bright white light at night. The brightness is high, the light source is average and the light is soft. It has a widespread influence in the professional fleet, and the cost