Brannan Waterproof Digital Max Min Thermometer Unique to market, this digital max min thermometer is waterproof to IP 66. Designed by Brannan to resemble the traditional liquid-in-glass style, quick-set, push button max min thermometers. Triple display simultaneously shows maximum, minimum and current temperature. The waterproof design makes it suitable for indoor or outdoor use. Hygienic and easy to clean, this is the perfect choice for gardening, catering and professional applications. High Accuracy -20C to 50C/F (switchable) Maximum, minimum and current reading simultaneously Clear, easy to read LCD Hanging hook