Allytech Digital Pocket Test Thermometer, Waterproof, Pen Style, -58/428&deg; F Temperature Range - Digital Laser IR Infrared Thermometer,Red Mini pen design with a strap, portable Display: 3.5 digit on LCD display.Resolution:0.1C or 0.1F Temperature range: - 50C to 220C ( -58F- 428F ) Accuracy: 2% or 2C Recommend measuring distance: 10mm-80mm