The product adds pointers with magnets to the liquid seal counter, and the module forms the sensor, and the pulse acquisition circuit processes the pulse signals into data and stores it. The pulse acquisition circuit processes the pulse signals into data and stores it. Wireless communication uploads the data to the concentrator when needed. The product is a wireless automatic upward transmission. GSFK or LORA modulation in the radio frequency band 470M Hz to 510M4iz is used for communication.