Check the listing for details. Optical Infrared Water Liquid Level Sensor Liquid Water Level Control Switch 1M8. Condition: New. Listed at 6.88 USD. You are bidding: Be sure to add me to your favorites list! Optical Infrared Water Liquid Level Sensor Liquid Water Level Control Switch QTY:1PCS- No mechanical moving parts, high reliability - High precision level control - Meet the safety standard requirements - RoHS compliant. – - Easily mounting method with locking nut. - Equipped with 1.8 Meters cable length. - Wide operating voltage : 5VDC ~ 24VDC ( Remark : resistors should be added and connected in series, detail may refer to technical specification.) - Voltage output : 5V ~ 24V ( depend on voltage connection ) Payment: We accept PayPal as the payment method only,you can use credit card through PayPal. If you bid or buy more than one item,please pay all of them in one single PayPal transaction. Shipping:We will ship your order within 24 hours after your payment is cleared .If you want tracking number,please select "standard flat rate shipping", few dollars will be charged accordingly.We combine shipping, that means you just need to pay shipping cost one time if you order multiple items.Any problems, please contact us first instead of open case or negative/neutral feedback, it will be solved very well!100% customer satisfaction always be our goal!!! Refund: If you are not satisfied with our products,we will resend or refund your full money.Check out my other items!