Claber 90915 Rain Sensor From the manufacturer: Suitable for all watering systems, the rain sensor avoids unnecessary wastage of water by turning the sprinklers off when it is raining. The sensor is connected to the common solenoid valve (24 V) or to the Aquauno timers.(not included timer) When the internal flow reaches a level of 5 mm of rain per square metre, the system shuts down. Programmed watering automatically resumes when the water in the sensor evaporates. The rain sensor should be installed in an outdoor area exposed to rain using the stainless steel bracket provided. From the manufacturer: Fixing: supplied with pivoting wall bracket From the manufacturer: Body: ABS From the manufacturer: Net weight: 150g