Features: Automatic Irrigation System: Combines Pump, Pipe, Soil Moisture Sensor and 4 Channel 5V Relay Module in one Plant Irrigation System, including kit for entire DIY drip irrigation system. EASY TO USE: This self-watering DIY kit is perfect for monitoring soil moisture very efficiently as it automatically waters your plants and flowers. Capacitive sensor: Insert it into the soil around the plant, and through the screen and motherboard, you can talk to the plant. See if your plants need more water to rehydrate to see if they are dehydrated? for Always take care of your plants: The system can automatically water your plants. When your soil gets too dry, the pump kicks in and water flows into the pipes and pots. You don'for t have to worry about your plants when you go on vacation. WIDE APPLICABILITY: The automatic irrigation kit is perfect for gardens, flower beds, plant greenhouses, farms, lawns, patios, and more. An irrigation system can provide adequate moisture to your plants. Specifications: Capacitive Soil Moisture Sensor: Working Voltage: 3.3~5.5 Vdc Output Voltage: 0~3.0 Vdc Interface: Ph2.54-3p Size: 98x23mm/3.85x0.90inch 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: for Dc Voltage: 3-5v Outer Diameter of Water Outlet: 0.29.5mm Outlet Diameter: 0.17 Inches/4.5mm Inlet Diameter: 0.19"/5mm Drive Mode: Brushless for Dc Design, Mesh Drive 300 Hours Continuous Working Life Vinyl Tube: Material: Pvc Length: 39.37 Inches/400cm Color: Multicolor Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4x Capacitive Soil Moisture Sensors 1x 4 Channel 5v Relay Module 4x Water Pumps 1x 4m Water Pipe