GEREE 12V Soil Humidity Sensor Controller Module Automatic Watering Module<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> used the company produces high quality soil sensor detection of soil moisture， surface plating handle， have widened the induction area， can increase conductivity， protection from exposure to rust problems of soil， longer service life; </span></li><li><span class="a-list-item"> the product is wide-range control of soil humidity， by adjusting potentiometer control the appropriate threshold， when the humidity drops below a set value， start the relay sucks and shuts the， higher than the set value， the relay disconnects; </span></li><li><span class="a-list-item"> products with the time delay function， delay 3-5 second， when humidity is detected when in a critical state， the relay will not Flash， strobe behavior occurs; </span></li><li><span class="a-list-item"> adopt songle relay， can withstand a 1500W load， meet the requirements of most people; </span></li><li><span class="a-list-item"> the product with power supply and relay sucks and shuts the instructions. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51JcgJpPVIL.jpg" noproxy>