This max/min thermometer is perfect for indoor or outdoor, easy-to read display shows high, low and current temperature, available in Fahrenheit or Celsius. Each unit is supplied with a serial-numbered certificate provided from ISO 17025, mounting tape, pre-cut Velcro® squares, and AAA battery. Temperature range: -13 to 158°F (-25 to 70°C). Accuracy: ±0.1°C. Net wt. 8 oz. Ship wt. 1 lb. Actual dims. 3½" L x ¾" W x 4¼" H. Ship dims. 12" L x 3" W x 10" H.