1) Indoor temperature (°F or °C) 

2) Remote temperature (°F or °C)

3) Calendar date display

4) One XT100 included

5) Receive one remote sensor 

6) Free standing or Wall hanging

7) Min. and max. memory

8) Synchronized instant reception

9) Four Colors Available: white,yellow, red and blue

10) Flip out desk stand or wall mount

11) size 75x60x20(RX),65x48x28(TX)

8)12 or 24 hour time mode 

Specifications:

1) Indoor temperature range: -20°C ~ +60°CSpecifications:

2) Remote temperature range: -40°C ~ +65°C

3) Temperature accuracy: +/-1.0°C

4) Quartz time accracy: +/-1.0s per day

5) Power requirements (receiver): 2 x "AAA" alkaline batteries (not included)

6) Power requirement (remote): 2 x "AAA" alkaline batteries (not included)

7) Transmission frequency: 433.92MHz 

8) Transmission range: up to 50 meters (150 feet) in free open air

9) Minimum 18 months battery life for outdoor sensor(alkaline battery used)

10) Minimum one year battery life for indoor receiver(alkaline battery used)

11)Alarm Sound level: 60~65db with 20cm distance from back 

digital wireless thermometer