[Upgraded automatic watering system] USB download cable, water pump, pipe, soil moisture sensor, 4-channel 5V relay module and jumper are combined in a watering system, including all components, for DIY drip irrigation system. [ of your 4 plants at any time] You can use the system to automatically irrigate 4 plants. No matter the soil is dry, the water pump will to move, and the water will flow to the pipe and into the flower pot. No need to worry about plants while on vacation. [Capacitance sensor]Insert it into the soil around the , using the screen and motherboard, you can talk to the . If your plants are thirsty, do they need to moisturize it? Colour: blue, black, white Material: plastic Package Contents: 1 * development board 1 * 1.5M blue USB cable 4 * capacitive soil moisture sensor 1 * 4 channel 5V relay module 4 * mini water pump 1 * 5M vinyl tube 1 * 20 pin 20 cm M-F jumper 1 * 20 pin 20 cm M-M jumper 1 * 20 pin 20 cm F-F jumper Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.