Sociable fingerprint Red min and max temp thermometer Composition Asian Bless
Digital Max Min Greenhouse Thermometer - Max Min Thermometer to Monitor Maximum and Minimum Temperatures, Wall Mounted Greenhouse Accessories for Indoor or Outdoor : Amazon.co.uk: Garden
Brannan Min-Max Digital Thermometer with Alarm - Selles Medical
Digital Indoor/Outdoor Min Max Thermometer
Digital Max / Min Thermometer with Internal Temperature Sensor