Aroya Solus Soil Moisture Meter. Scientific grade 3 in 1 soil moisture analysis spot meter. Measures EC, Temperature, Water Content. Aroya Authorized Dealer. LED grow lamps RJ12 Cable Socket ECS 10 RJ12 Cable Socket Sensor Capacity Specification MBS GH (Temp Humid Light) max 1pc per set Specification MBS WS (Weather Station) max 1pc per set Specification MBS PAR (PPFD) max 1pc per set Specification MBS SD (Smoke Detector) max 1pc per set Specification AMP 3 (pH EC Temp) max 1pc per set Specification DFM 1 2 3 (Digital Flow Meter) max 1pc per set Specification WCS 1 2 3 (Water Content EC Temp) max 8pcs per set What's included This is a requirement set by the Android operating system (OS) no datalogging required and no information is retained