R900PB03O1- Wireless Top-Mounted Ultrasonic Level Sensor with 1 x Digital Output

 R900PB02O1- Wireless Soil Moisture / Temperature / Electrical Conductivity Sensor with 1 x Digital Output

 R900PD01O1 - Wireless Water pH / Turbidity / Residual Chlorine Sensor with 1 x Digital Output

 R900A03O1 - Wireless Water Leak Detector - Rope Sensor with 1 x Digital Output

 R900A02O1 - Wireless Temperature Sensor - Digital Sensor with 1 x Digital Output