Gardena Irrigation - Water Controls - Gardena Soil Moisture Sensor 1187-20 Ref: GRD1187 For taking soil moisture into consideration during controlled watering Suitable for Gardena water timer electronic T1030 1060 profi Controller 1250 Radio receiver R 2 /R4 flower box watering no 1407 Function by capillary action When the soil is dry water is withdrawn via the ceramic sensor and low pressure builds up When soil is moist water is sucked in and low pressure decreases Desired moisture level is set by control knob Can be switched to automatic operation (flower box watering) With 5m cable and plug Price: £33.98 (Including VAT at 17.5%)