THE ELECFREAKS PlanetX WiFi Sensor is able to upload data to the IoT platform and monitor and analyze them remotely. You could water your flowers remotely even if you are participating in the summer camp!

Specifications
Connections: RJ11 4P4C
Power: 3.3V
Connections type: IIC
Core IC: ESP8266
You can find the introduction of this product following this link
https://wiki.elecfreaks.com/en/microbit/sensor/planet-x-sensors/Plant_X_EF05036/