ThermoPro TX-2 915Mhz Fitting Rainproof Transmitter Additional Outdoor Sensor for Indoor Outdoor Thermometer Humidity Monitor of 915MHz, Batteries Included

Note: ThermoPro has two types of sensors with frequency 915Mhz and 433Mhz.Please confirm the sensor model and frequency of you purchased before purchasing.
With additional remote sensors, track environmental conditions in 4 locations at most; The sensor’s initial channel is channel ONE, when connecting, please ensure to slide button on the back to set Channel 1, 2 or 3
Place anywhere with the tabletop and wall mountable design; Requires 2 AAA batteries (Batteries included)
Using a 915MHZ signal, the additional remote sensor transmits temperature and humidity readings for ThermoPro indoor outdoor thermometer up to 500 feet/150m range; Temperature accuracy: ±2°F,Humidity accuracy: ±2~3%RH Temperature range: -4°F ~ 158°F (-20°C ~ 70°C); Humidity range: 10% ~ 99%
Temperature range: -4°F to 158°F (-20°C to 70°C); Humidity range: 10% to 99%