Product Name: Rch-1 Series LCD Humidity & Temperature Transmitter Model NO.: RCH-1 Series Sales Method: Export, Manufacture, OEM/ODM Trademark: Maxthermo Specification: Electronic Materials Origin: Taiwan Product Description Features:→Range : -30~130°C , 0~100%RH→Fully calibrated, digital output→Excellent long-term stability→No external components required→Ultra low power consumption→Surface mountable or 4-pin fully interchangeable→Small size→Automatic power downSafety/Quality Approvals:CE