Features:The sensor is made of quality FR-04double-sided material, with a super large area of 5.0*4.0CM, and the surface is treated with nickel plating, which has superior performance in anti-oxidation, electrical conductivity and service lifeThe module is directly equipped with high-power relay to directly control the loadEquipped with potentiometer to adjustment sensitivity, and control the opening of the relay in different waterThe products are made of high-quality materials, which can effectively avoid corrosion and wear and are durable for useProfessional chip sets provide excellent performance in the systemSpecification:Module power supply: 12V static current: 5-12mALoad capacity of relay: 250V 10A (AC) 30V 10A (DC)Size: 5*2.5*1.5cm/2*1*0.6inWeight: Approx.25g/0.9ozUse method: Connect to the power supply, the power indicator light is on, when there is water drop on the induction board, the relay absorbs, starts the relevant equipment, the switch indicator light is on, drop a drop of water, the relay is off, the switch indicator light is not onPackage list:1 x Relay module1 x Raindrop sensor panel2 x 20cm cable