Ambient Weather WS-21 Wireless 8-Channel Thermometer with Two Remote Sensors, Silver

The console includes audible and visual alarms when temperatures exceed your pre-set minimum and maximum alarm settings

The display console displays temperature, minimum and maximum temperature, which can be reset manually or daily, date and time.

The scroll mode allows you to view the indoor thermometer and remote channels without pressing any buttons. In scroll mode, all of the indoor and detected outdoor sensors will be displayed in five second intervals.

The Console:
Indoor temperature
Scroll mode automatically displays each sensor every 5 seconds
Re-sync mode if sensor reception is interrupted
Min/Max Memory for indoor/outdoor temperature
Monitors temperature in up to 8 remote locations
Console Dimensions (LxHxW): 4.50 x 5.0 x 1.00 in
LCD Dimensions (LxW): 3.75 x 3.50"
LCD Segment Height: 1.25 inches
Power requirements: Main Unit - 4 x AAA (not included)
The Wireless Thermometer:
Outdoor temperature range: lithium batteries: -40°F to 140°F
Outdoor temperature range: non-lithium batteries: -4°F to 140°F
Dip switch selectable remote channels
Ttransmission range of up to 300 feet line of sight (100 feet under most conditions)
Frequency: 433 MHz
Update Rate: 60 seconds
Power requirements: Remote Sensor - 2 x AAA (not included)