Krueger Sentry At-A Glance RALARM-FL remote alarm mounts directly to your existing Krueger Sentry tank gauge. Can be used as a high or low level alarm by simply moving the alarm up or down the gauge. A magnetic switch triggers a flashing light that will continue to flash until unit is reset. Includes the Alarm, a magnetic indicator for your Gauge, a 9 volt lithium battery and 25 ft. of wire.








