Lascar el wifi data logging sensors lascar el wifi alert the lascar el wifi alert is an audible and visual alarm for all el wifi data logging sensors in the easylog wi fi range the el wifi alert will receive alarm messages from any el wifi sensor device connected to the same wireless network the el wifi alert indicates an alarm activation using high brightness leds and a choice of nine alarm tones the el wifi alert continues to work when the pc is turned offthe el wifi alert has been desi