Water sensor TFA Dostmann 30.3216.20

Max. range (open field): 50 m; Sensor dimensions: 220 x 106 x 95 mm; Sensor power supply: AAA battery (4x), please order separately; Signal type (weather statition): 433 MHz wireless ; Water temperature reading range: -40 to +60 °C; Weight: 290 g

Price: £ 32.99 from Conrad Electronic