Do I need to sign a contract? January 18, 2022 20:09 Updated No. While there is an annual fee of $120 for ongoing monitoring and analytics, there are no contracts for you to sign with us. You can cancel at any time by contacting us at support@alertlabs.com and providing your sensor registration number. Related articles How much does monitoring cost for Flowie-O? Will Flowie-O affect my water meter reading? How does Flowie-O work? How to calibrate Flowie-O Setting up your company account