Wireless noise to monitoring of water level. Both terms. Flood past, the laws drop in water level in example aquarium. Can also give alarm under filling of vat etc.. Facts: Alarm by drop in water level Alarm by outflow of water Alarm by stuffed vat m... Read throughout product description by to press on buy button. Brand: AGRINI Shipping Cost: 49,00 kr. Delivery Time: 1-4 dage