The Whadda WPSE303 package includes a water level sensor and a soil moisture sensor.\nIf the boards have water covering the sensor parts, an analogue value will be available at the \""SIG\"" connection.\nThe water level sensor can sense up to 4 cm of water. This way, you can track whether or not your aquarium or your pet's water bowl still has enough water in it.\nYou can use the soil moisture sensor to keep an eye on your plant's soil or the environment of a terrarium for example.\n\n--Measures water levels up to 40 mm (1,57\"")\n--Includes: water level sensor and soil moisture sensor\n--Voltage: 5V DC\n--Dimensions: 65 x 20 mm ( 2.6 x 0.79\"" )\n--Weight: 5 g\n\n--\nOur eBay Store\n\nWhadda WPSE303 Soil Moisture Sensor & Water Level Sensor Module\n\nProduct Details\n\nThe Whadda WPSE303 package includes a water level sensor and a soil moisture sensor.\nIf the boards have water covering the sensor parts, an analogue value will be available at the \""SIG\"" connection.\nThe water level;