Model FC-28-E Quantity 1 Color Blue Material PCB Features Nickel plating widen sensor area high electric conduction performance anti-rust. Wide range detection relay closing when the soil humidity higher than setting value and break when lower than setting value. With delay function delay time: 3~5s when humidity value reach critical point relay shows flash strobe. Use high quality songle relay Max. load up to 1500W. With power indicator and indication of relay close. Specification Working voltage: DC 5V input current: >=100mA load: 250V / 10A or 30V / 10A Max. load: 1500W Application Widely use in garden household flowerpot etc. Great for Arduino DIY. English Manual/Spec Yes Packing List 1 x Soil humidity sensor module 1 x Soil sensor 2 x Dupont cables (20cm)