Gikfun Automatic Plant Watering System Self Watering Device with Soil Moisture Sensor for Garden Patio Lawn DIY Kit for Arduino EK8476

Package Included: 4 x Capacitive Soil Moisture Sensor 1 x 4 Channel 5V Relay Module 4 x Mini Water Pump 1 x 5M Vinyl Tubing Specification: Capacitive Soil Moisture Sensor: Pin: Analog signal output, GND, VCC Operating voltage: 3.3- 5.5 VDC Output voltage: 0-3 VDC Interface: PH2.54-3P Size: 98 x 23mm (LxW) 5v 4 Channel Relay Module: Equipped with high-current relay, AC250V 10A, DC30V 10A 5V 4-Channel Relay interface board, and each one needs 50-60mA Driver Current Mini Water Pump: Rated voltage: DC3V or 4.5V No load of water discharge capacity: 100L / H Load rated current: 0.18A Use: diving type Voltage range (V): DC2.5-6v Vinyl Tubing: -Material: PVC -I.D. Size: 6mm -O.D. Size: 8mm -Length: 5m, the length can be cut by yourself