IP68 RATINGAS THE MAIN BODY, NYLON COMPOSITE CAN WORK AT A DEPTH OF 2M UNDER WATER.NYLON COMPOSITE MATERIAL AS THE MAIN BODY CAN WORK AT A DEPTH OF 2M UNDERWATER. LIQUID CRYSTAL DISPLAYLAR SCREEN LCD DISPLAY, INSTANTANEOUS FLOW, CUMULATIVE FLOW, FLOW RATE AND OTHER PARAMETERS. Card type ultrasonic water meter is standard equipped with wired transmission junction box Power Supply:3.6V 4Ah Iithium battery (batlery lfe>10 years), It will operate power save funcions when there is no water and ftow in pipe Output:2 way of OCT output is optional, can simulate dipulse output of mechanical water meter.