MTR101 thermometer is
wireless. Simply place the included Cable Free sensor
indoors or outdoors and it will transmit temperature data back
to the main thermometer unit using radio waves. With the touch
of a button, you can check both the indoor and outdoor temperature.
It comes with one remote temperature sensor and you can expand
your system with additional Oregon Scientific sensors and monitor
up to three remote locations, for example, the baby's room,
the garage or the hot tub.
size: 2.88" x1.5" x 3.25"
environmental monitoring in up to three remote locations
entry level Cable Free™ product
indoor and outdoor temperature
one remote sensor