REMOTE SENSOR
•433 MHz wireless transmission frequency
•Wireless data transmission to base station up to 100 ft. (range may vary based on the amount of interference present)
•LCD readout showing temperature and humidity
•Outdoor temperature range without wire probe:
•Outdoor temperature range with wire probe:
•Outdoor humidity range: 20% to 95%
•Table top or wall mount
•Uses (2) AAA batteries (not included)
Temperature tolerance: +/- 2°F (+/- 1.1°C)
Humidity tolerance: +/- 5% at 30% to 90%; +/- 7% at 20 to 29% and 91 to 95%
BATTERY INSTALLATION AND SETUP
Notes:
1.Do not mix old and new batteries.
2.Do not mix alkaline, lithium, standard (carbon zinc), or rechargeable (nickel cadmium) batteries.
3.For maximum performance in normal conditions we recommend using good quality alkaline batteries. When temperatures are below 0°F, alkaline batteries can lose power resulting in a loss of remote transmission. If you reside in an area that experiences frequent temperatures near or below 0°F, we recommend using lithium batteries to minimize the loss of transmission. See additional notes in Locating the Base Station and Remote Sensor below.
Base Station Battery Installation
•Remove the printed vinyl label from the LCD screen of the base station
•Position the remote sensor near the base station
•Open the battery compartment at the back of the base station and insert (2) AAA batteries according to the polarity markings. Replace the battery compartment cover.
•Within a short time the RF signal icon 
(located near the outdoor humidity reading) will start flashing. This indicates that the base station is ready to pick up the RF signal from the remote sensor. It will continue to flash for 3 minutes or until the signal from the remote sensor is detected.
Register the Remote Sensor
•Open the battery compartment at the back of the remote sensor and slide the channel selector switch to your desired channel. For the first remote you may select any channel, for additional remotes select any unused channel.
•Insert (2) AAA batteries according to the polarity markings. Be sure to install the batteries in the remote within the time that the RF signal icon is flashing on the base station. If the icon is not showing, press and hold CHANNEL for
•Press the °C/°F button inside the remote sensor battery compartment to display the temperature in °C or °F
•Once you see the outdoor readings on the base station the setup is complete. Replace the battery compartment cover.
•Press the UP/C/F button at the back of the base station to display the temperature in °C or °F
•Press CHANNEL to select the remote channel you want displayed permanently on the base station. Or keep pressing CHANNEL until you observe a circular arrow 
on the base station LCD display under the channel number. The unit will then
•Occasionally you may experience interference on a particular channel. If your base station has trouble picking up the RF signal, remove the batteries from the remote sensor, slide the channel selector switch to another channel and re- install the batteries.
Note: The TX button inside the remote sensor battery compartment is for factory testing. You will not need to use it.
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