Comprehensive Automatic Irrigation Solution: Equipped with a pump, vinyl tubing, and advanced sensors, this DIY kit autonomously waters your plants by accurately monitoring soil moisture levels. High Sensitivity Capacitive Sensor: Features an operating voltage range of 3.3 - 5.5V DC and an analog output of 0 - 3.0V DC. With a simple PH2.54-3P interface, it guarantees precise moisture detection to ensure optimal watering for your plants and flowers. Reliable 1 Channel 5V Relay Module: Capable of handling maximum loads up to AC 250V/10A or DC 30V/10A. It includes a green power indicator and a red relay status indicator, ensuring operational clarity and safety in managing power flow. Efficient Mini Water Pump: This submersible pump operates on DC 3V or 4.5V with a no-load water discharge capacity of 100L/H. Its low load rated current of 0.18A makes it perfect for aquariums, fish tanks, and hydroponic systems, providing dependable and quiet operation. Versatile Usage and Easy Installation: The submersible pump is suitable for small-sized aquariums, tabletop fountains, water gardens, and hydroponic setups. Capacitive Soil Moisture Sensor: Operating voltage:3.3 - 5.5 VDC Output voltage:0 - 3.0 VDC Interface:PH2.54-3P Pin:Analog signal output, GND, VCC 1 Channel 5V Relay Module: VCC:Connect 5V Positive Pole Power Supply GND:Connect 5V Negative Pole Power Supply Mini Water Pump: DC Voltage:3-5 V Outside diameter of water outlet:0.29inch/7.5mm Inside diameter of water outlet:0.17inch/4.5mm Water inlet diameter:0.19inch/5mm Driving mode: brushless dc design, magnetic driving Continuous working life of 300 hours Note:Due to different production batches, there are differences in appearance, which does not affect usage. Colour:As Shown Material:Plastic+Electronic Components+Metal Package Contents: 2 * Soil moisture sensor 2 * water pump 2