Specifications: - Wireless outdoor temperature range : -21.8°F to 157.8°F
- Indoor temperature range : 32°F to 139.8°F
- Temperature accuracy : +/- 1.5°F
- Transmission range : Up to 80 feet
- Transmission frequency : 433.92 MHz
- Compatible sensor: TX3U, TX3UP
Dimensions:
Receiver: 3.85" x 2.44" x 1"
Sensor: 5.5" x 1.6" x 1" Power Requirements:
Receiver: 2 "AAA" Alkaline batteries
Wireless sensor: 2 "AA" Alkaline batteries Order on or before December 13, 2010 for guaranteed Christmas delivery. | 
