Since 1910, General Tools has grown to become the recognized industry leader for specialty hand tools and instruments. The General Tools THGR268 Thermo Hygrometer Remote Sensor monitors temperature and humidity from up to 90 ft. away and wirelessly sends readings to an EMR963HG base station.
California residents: see Proposition 65 information
- Indoor and outdoor temperature range -58° to 158°F
- Indoor and outdoor humidity range: 25% to 90%
- Temperature resolution 0.2°F humidity resolution: 1%
- Transmission frequency: 433 MHz