A fully integrated digital TDR soil moisture sensor from the Soil Smart series. Works well in various soil types and soilless media. Sized with 10 cm waveguide rods to fit well with rockwool cubes for greenhouses.Specifically designed for tighter spaces.Features:– Measures Water content, EC, Temperature- Highly accurate- Very large sensing volume- Highly stable even in saline soils- Low Power consumption- SDI-12 Protocol- 5m flexible sheathed cable- Compatible with our RD1200 Handheld Reader