Ambient Weather WS-15 Wireless 8-Channel Thermometer with Plastic Probe Thermometer Simple to read, simple to use, and affordable, the WS-15 includes an indoor thermometer in the console and can remotely read and update up to eight remote sensors from the compact display. The WS-15 wireless thermometer has a 6 foot plastic-tipped temperature probe. The sensor displays and wirelessly transmits the probe temperature to the display console. The probe measures various temperature mediums, including water, soil, refrigerators, freezers, and air temperature. The WS-15 includes one remote, and seven additional sensors can be added (F007T air temperature, F007TP temperature probe and F007PT pool float thermometer) for comprehensive monitoring. Each remote sensor includes dip switches for 8-channel selection and units of measure (degF vs degC).