Product Description LoRa meter using of advanced mission technology, it transforms metered information of conventional mechanical water meter into electrical tored by micro-electronics control circuit. It is able to automatically read the metering data via e network. Diameter(DN)mm:DN15,DN20,DN25 Climate & mechanical environmental safety:Class B Working Voltage:3.6V lithium battery Waterproof Level:IP68 water meter Uplink:GPRS/GSM/3G/4G water meter Downlink:Lora Measure Range(Q3/Q1):80/100 Measurement grade:Level 2