Gardena Extension Cable for Soil Moisture Sensor 10m - Gardena 1186-20 Ref: GRD1186-20 For extension of up to 105 m of the Rain Sensor electronic's and Soil Moisture Sensor's power cable. Length 10 m. 4-colour display carton List price £12.49 Grovelands Online price including Nextday Delivery £11.25 Price: £11.24 (Including VAT at 17.5%)