(1) Magnet drive , magnet-proof and resistance exterior magnet interference. (2) Keep the reading easy and clear in a long-term service . (3) Selected high quality materials for steady & reliable characteristic and good looking (4) Brass or stainless steel body , hot water meter , magnet-proof device and remote reading transmission system for option Note: technical data conform to ISO4064 Price Condition FOB Ningbo Origin China Material Brass , iron Size 165 x 94 x 111 Millimeters Delivery lead time 1 month