<p>Features:</p> <p>Large-screen LCD display temperature and humidity</p> <p>Hygrometer memory function.</p> <p>Memory clear function.</p> <p>Celsius Fahrenheit conversion.</p> <p>Technical parameters:</p> <p>Temperature measuring range: -50 \u00B0 C ~ + 70 \u00B0 C (-58 \u00B0 F ~ + 158 \u00B0 F)</p> <p>Humidity measuring range: 10% to 99%</p> <p>Temperature measurement accuracy: \u00B1 1 \u00B0 C</p> <p> Humidity measurement accuracy: \u00B1 5%</p> <p>temperature Debate rate: 0.1 \u00B0 C, humidity resolution: 1%</p> <p>Size: 88.0 x 48.5 x 11.5mm</p> <p>Panel hole size: 88.5 x 49.0mm</p> <p>the operating instructions:</p> <p>Front MAX \/ MIN button to view the maximum or minimum temperature and humidity memory,</p> <p>In the MAX \/ MIN RESET Clear History button state maximum and minimum temperatures.</p> <p> \u00B0 C\/ \u00B0 F switches used to select \u00B0 C or \u00B0 F two different temperature units</p> <p>Color: Black</p> <p>Material: plastic</p> <p>The product is shipped without batteries, you need to bring your own 1x LR1130 button battery</p> <p>Package Contents:</p> <p>1 set of mini digital thermometer and hygrometer</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>