Control Company’s inexpensive Liquid Alarm may be placed anywhere. Use it to detect when drums, tanks, flasks, or beakers are close to overfilling. It’s the perfect reminder for unattended filling of any container. The moment a solution touches the sensor, the alarm sounds and a red LED light flashes continually until the liquid no longer touches the sensor.Place the sensor on the floor to detect spills. It allows taking action before a serious situation develops. A loud, high-decibel alarm sounds and a red LED light flashes until the sensor is removed from liquid. Constantly alarms for over 30 hours. Position the detector on an overflow tube or near a pump to alert you when an accident is occurring. Cable length is 10 feet.Use with aqueous solutions and liquids that don’t attack plastic. Battery-operated alarm sounds even during power outages. Pays for itself by preventing just one ruined lab test. Size is 1-13/16 x 3 x 3/4 inches. Weight is 2-1/2 ounces. Supplied with 9V battery.• Sensor cable length is 7 feet • Battery-operated alarm sounds even during power outages • Size is 4-1/4 x 2-1/3 x 1 inches • Weight is 4 ounces