Water sensor water level sensor is an easy-to-use, cost-effective high level or drop recognition sensor, which is obtained by having a series of parallel wires exposed traces measured droplets or water volume in order to determine the water level. Easy to complete water to analog signal conversion and output analog values can be directly read Arduino development board to achieve the level alarm effect. Operating voltage: Dc3-5v operating current: Less than 20ma sensor type: Analog detection area: 40mmx16mm production process: Fr4 double-sided has operating temperature: 10 and #x2103; -30 and #x2103; humidity: 10 percent -90 percent non-condensing product dimensions: 60mmx20mm package include: S: 1 x sensor module.