Additional Sensor: Outdoor temperature sensor is compatible with ThermoPro 915MHz indoor outdoor thermometers; Accessory only, can not be used alone; (Before purchasing a new transmitter, please confirm the model and frequency of the transmitter you already own.)
500FT Remote Range: Additional remote temperature monitor sensor transmits temperature and humidity readings for ThermoPro indoor outdoor thermometer up to 500 feet/150m range
Humidity & Temperature Range:The outdoor thermometer wireless sensor temperature range is -4°F to 158°F (-20°C to 70°C),Temperature accuracy is(±2°F);Humidity range is (10% ~ 99%),Humidity accuracy is (±2to3%RH)
Monitoring Up to 4 Locations: With additional inside outside thermometer remote thermometer wireless sensors, you can track environmental conditions in 4 locations at most. The outdoor thermometer sensor initial channel is channel ONE, when connecting, please ensure to slide button on the back to set channel 1, 2, 3
Multiple Mounting Options: Place the wireless temperature sensor anywhere with the tabletop and wall-mounted design; Requires 2 AAA batteries (batteries included)