Electronic Component Kit Automatic Watering Diy Kit Garden Flower Automatic Watering Device Automatic Watering System Easy To Use, This Self-Watering Diy Kit Is Perfect For Monitoring Soil Moisture Very Effectively As It Water Your Plants And Flowers Automatically. Automatic Irrigation System, Combines Pump, Pipe, Soil Moisture Sensor And 4-Channel 5v Relay Module In A Plant Irrigation System, Including Kit For The Entire for Diy Drip Irrigation System. Capacitive Sensor, Place It In The Soil Around The Plant, Through The Second One And A Main Board You Can Talk To The Plant. Do Your Plants Need To Rehydrate To See If They Are Dehydrated? Always 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 Tubes And Pot. When You Go On Vacation, You Don'T Have To Worry About Your Plants. Capacitive Soil Moisture Sensor: Working Voltage: 3.3~5.5 Output Voltage: 0~3.0 Interface: Ph2.54-3P Dimensions: 98x2m (L*W) Pin: Analog Signal Output, Gnd, Vcc 1-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 Outlet Diameter: 0.29 Inches/7.5mm Outlet Inner Diameter: 0.17 Inches/4.5mm Water Inlet Diameter: 0.19 Inches/5mm Drive Mode: Brushless Dc Design, Mesh Drive 300 Hours Continuous Working Life Vinyl Tube: Length: 39.37 Inches/400cm Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:ABS+PVC Package Contents: 4 x Capacitive Soil Moisture Sensors 1 x 4 Channel 5V Relay Module 4 x Water Pumps 1 x 4 Meters Water Pipe 1 x for R3 1 Set x Wire Set Only the above package content, other products are not included. Note: Light reflection 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.