Hobbes WL-F601 PRO Digital WiFi Detector is a useful Wi-Fi signal locating and analyzing detector with the capability to detect and show clear description of each wireless access point near you. Hobbes WL-F601 PRO shows information not only signal strength but also lots of other useful information like access points SSID/Channels and whether the hotspots are an open (or encrypted) sites or not...etc. It has a big LCD screen to show each site's detail information in one page and hear beeper alarms.