Do you travel a lot and by means of traveling you spend more time outside rather than staying at home like a typical businessman would do? You’re with your laptop and when its time to check your email account you need to get online but the problem is if the area your are into is wifi hotspot. This cool product from CDRKING can detect wifi signal or if the area your are standing on is a wifi hotspot area. Just pick the device from your pocket and detect wifi hotspot in your area without bringing out your laptop.