4 line LCD display flowrate, totalizer & ** condition The flowmeter is designed with high accuracy +/-1.0% Small sized(200 * 92 * 32mm) and light-weight(538 g) Wide range, Velocities( 0.01 ~ +/- 32 m/s) Ni-MH Battery could support over 10 hours continuous operation Transducers suit for pipe sizes from 13 to 6000 mm Transducers include magnet devise, which can install on Metal pipe without mounting belt Data logger which records flowrate, date, total flow ,** condition... etc Response time less than 1 second