When you press and release the button, the WiFi Signal Finder will continue scanning for two minutes and then shut itself off. Depending on how often you use the WiFi Finder, the batteries can last well over a year. Many electronic devices operate in the 2.4GHz radio band.
* Eliminates the guesswork in finding a WIFI signal
* LED lights indicate signal strength
* Find signals anywhere, anytime
* (2) CR2032 batteries included.