Oregon Scientific THT312 Indoor/Outdoor Thermometer Clock with Wired Probe Wired digital indoor and outdoor thermometer and clock from Oregon Scientific Easy-to-read LCD display with blue LED backlight; with Celsius or Fahrenheit readings and 12- or 24-hour time for convenience Weather-resistant 10-foot cable with probe runs outside to monitor temperature; alarm feature with 8-minute snooze Requires separate purchase of 2 AA batteries; wall mount or stand alone Measures 2-1/2 inches wide by 3/4 inches deep by 4-1/2 inches high; limited 1-year guarantee