Gardena Rain Sensor Electronic - Gardena 1189-20 Ref: GRD1189-20 To take natural rain fall into consideration during controlled watering. Suitable for GARDENA Water Timer electronic T 1030/T 14 e. Watering Computer C 1030 plus/C 1060 profi. Controller Art. No. 1250. Radio Receiver R 2/R 4. Flower Box Watering. Art. No. Price: £37.80 (Including VAT at 17.5%)