Water Level Indicator With A Long Working Life And A Non-Contact Capacitive, H. Product Details If your water tank needs to detect the liquid level, but it cannot open a hole due to structure, a capacitive sensor can be used. Capacitive level measurement D2CS-H needs to be closed to the outer wall of the container to detect. Due to the influence of impurities, fouling, corrosion and other factors, the capacitive sensor can detect the liquid level without contacting the liquid. Usually the measured liquid contains impurities, the float sensor is not suitable for use. Water level capacitive sensor D2CS-H is a non-contact type sensor. Because of its easy installation, it is widely used in medical, household appliances and other industries. Low power consumption Easy assembly, simply locate the sensor outside the liquid container (low temp) for detection No mechanical moving components, long lifetime Small size, Low cost Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.