Bluetooth Optical Probe manufacturer / supplier in China, offering USB2.0 FT232 Handheld IR Optical Probe for Smart Kwh Gas Water Heat Flow Meter Data Collection, My001-B Infrared Data Transceiver for AMR Ami Systems 940nm Optical Probe, USB2.0 IR Opto Sensor Head for Dlms Smart Kamstrup Ziv Iskraemeco Electricity Meter and so on.