Product Name: Basic Water Meter for Wireless Remote Water Meter Model NO.: LXSG-15E-50E Stucture: Intelligent IC Card Work Environment: Wet Water Meter Medium Pressure: Pn16 Principle: Speed of Water Meter Application: Civil Nominal Diameter: 15-25mm Counter Instructions: Digital Level Measurement: B Medium Temperature: 0-90 Centigrade Install: Horizontal Diameter: 1/2-1 Inch Material: Brass or Iron Place of Origin: Shandong,China Power and Battery Lifespan: 3.6V Lithium Battery Lifespan?6 Year Security: One Meter a Card,Do Not Copy Minimum Reading: 0.0001m