LCD clock in 12 or 24 hour time format. Indoor and outdoor temperature display in degrees F. or C. Indoor temperature with minimum/maximum records. Outdoor temperature with minimum/maximum records and time received. Manual reset of minimum/maximum records. Remote outdoor temperature reception (up to 3 channels allowed). Outdoor temperature range: -21.8 F. to 156.2 F. Receiver: 2 ''AAA'' 1.5V batteries and sensor: 2 ''AA'' 1.5V battereis. Dimensions, receiver: 2.36'' x 0.88'' x 5.90'' and sensor: 1.57'' x 0.85'' x 5''.