Electronic Components Kit Automatic Watering DIY Kit Garden Flower Automatic Watering Device Automatic Watering System [EASY TO USE] This automatic watering DIY kit is perfect for monitoring soil moisture very efficiently as it will automatically water your plants and flowers. [Automatic Irrigation System] Combines pump, pipe, soil moisture sensor, and 4-channel 5V relay module in one plant irrigation system, including a kit for the entire for DIY drip irrigation system. Capacitive soil moisture sensor: Working voltage: 3.3~5.5 Output voltage: 0~3.0 Interface: PH2.54-3P Pin: Analog signal output, GND, VCC 1 channel 5V relay module: VCC: connect to 5V positive power supply GND: connect to 5V negative power supply Mini water pump: : 3-5V Outer diameter of water outlet: 0.29 inches/7.5mm Outlet diameter: 0.17 inches/4.5mm Inlet Diameter: 0.19 INCH/5mm Drive mode: brushless DC design, mesh drive 300 hours continuous working life Material: ABS colour: As shown Package Contents: 1 x 4 Way Automatic Watering DIY Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.