1.Dhaara Smart is a battery-powered flow meter that uses ultrasonic technology to measure, capture, and report water flow. With built-in telemetry, the data can be accessed remotely on any computer or mobile device. Truly eliminating the need to visit sites or monitor data manually. 2.Dhaara Smart is a battery operated water meter that complies with Central Ground Water Authority (CGWA) and ISO standards. The water usage data is automatically recorded in an online logbook via 4G/2G telemetry.