Ambient Weather WS-70 Big Digit 8-Channel Wireless Thermo-Hygrometer The WS-70 includes one remote thermo-hygrometer and seven additional sensors can be added (F007TH) for comprehensive monitoring. The uncluttered display console displays temperature and humidity with jumbo 1.25" LCD characters which can be easily read from across the room. The scroll mode allows you to view the indoor thermo-hygrometer and remote channels without pressing any buttons. In scroll mode, all of the indoor and detected outdoor sensors will be displayed in five second intervals. Each remote sensor includes dip switches for channel selection and units of measure (degF vs degC). The sensor search mode allows you to re-sync sensors without removing and re-inserting batteries.