Feature: 1. Auto Monitoring: The capacitive sensor can sensitively monitor the soil moisture, thus ensuring timely automatic plant watering. 2. Simple Watering: Convenient self irrigation system will better keep the soil in a great condition for your flower cultivation. 3. The Accessories: Comes with soil moisture capacitive sensor, connecting cable, 4 way 5v relay module, water pump and 4m tubing. 4. Practical Using: Not only suitable for indoor potted plant and flowers in your garden, but also for your plants when you are out. 5. Simple Assembly: Designed to have a light weight and a compact size as well, the automatic irrigation kit enables simple assembly. Specification: Item Type: Automatic Irrigation Kit Material: PVC, ABS, electronic components. Colotr: Transparent, blue, black, white. Usage: Suitable for plant watering. Soil Moisture Capacitive Sensor: Working Voltage: 3.3~5.5 VDC Output Voltage: 0~3.0 VDC Interface: PH2.54-3P Product Size: Approx. 98 x 22mm / 3.86 x 0.87in Pin: Analog signal output, GND, VCC 4 Way 5V Relay Module: VCC: Connect to 5V positive power supply. GND: Connect to 5V negative power supply. Mini Water Pump: DC Voltage: 3-5V Water Outlet Outer Diameter: Approx. 7.5mm / 0.3in Outlet Diameter: Approx. 4.5mm / 0.18in Inlet Diameter: Approx. 5mm / 0.2in Drive Mode: Brushless DC design with mesh drive. Working Life: 300 hours continuous working life. . Package List: 4 x Soil Moisture Capacitive Sensor4 x Connecting Cable1 x 4 Way 5V Relay Module4 x Water Pump1 x 4M Tubing