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 ensures precise moisture detection for optimal watering of plants and flowers. Reliable 1 Channel 5V Relay Module: Capable of handling maximum loads up to AC 250V/10A or DC 30V/10A. Includes a green power indicator and a red relay status indicator for clear operational status and safe power management. 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 ideal for aquariums, fish tanks, and hydroponic systems, offering reliable and quiet performance. Versatile Usage and Easy Installation: The submersible pump is suitable for small aquariums, tabletop fountains, water gardens, and hydroponic setups. Capacitive Soil Moisture Sensor: Operating voltage: 3.3 - 5.5V Output voltage: 0 - 3.0V 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: Voltage: 3-5V Outside diameter of water outlet: 0.29 inch / 7.5mm Inside diameter of water outlet: 0.17 inch / 4.5mm Water inlet diameter: 0.19 inch / 5mm Driving mode: Brushless DC design, magnetic driving Continuous working life: 300 hours Note: Due to different production batches, there may be slight variations in appearance, which do not affect functionality. Color: As shown Material: Plastic, electronic components, metal Package Contents: 2 x Soil moisture sensor 2 x Water pump 2 x Relay module 2 x Cable 2 x 2-meter hose (cable color may vary, no color selection available) Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3cm.