For Netro Pixie timer, if you want to manually turn on/off the water, please find the info below:
From the app: Go to the home screen. Find the white area, and then tap on the time. This allows you to change the watering duration. After that, you hit play to start a manual run. When the timer is sleeping, the manual run will start when the timer wakes up.
From the timer: Press the power button for 3 seconds to turn on the timer. If the timer is already on, skip this step. Wait for 30 seconds. The LED light will become green (WiFi connected) or red (WiFi unconnected). If the LED light flashes in red and turns off shortly, the battery needs to be charged. Press the button twice quickly to turn on the water. To turn off the water, quickly press the button twice again