One display that shows both the inside and outside temperatures simultaneously. The outside temperature sensor is waterproof and is on a 3 metre cable. It will also record the minimum and maximum temperatures..Jumbo digits for the optically challenged. It also has a tilting bail for standing as well as a keyhole for wall mounting.
 

• Size: 95(W) x 140(H) x 22(D)mm
• Reads Celsius or Fahrenheit
• Temperature range: -39.9°C to 49.9°C -39.8°F to 122°F
• Requires AA battery
• Warranty: 3 Months