* Water level alarm, Bathtub Alarm * This simple device with a switchable audible music alarm. * The unit would be to monitor the level of water in a bath, a swimming pool, or a tank etc. * When
the water reaches a fixed level of the sensor head, it will trigger alarm unit and alert you. * With alarm / off/ music option * With high / low volume option * With red LED light * Works on one
9-volt battery