<p>Material: ABS</p> <p>Temperature Range: -40~105℃ (-40~221℉)</p> <p>Accuracy: ±1℃/℉</p> <p>Humidity Range: 0% to 100%</p> <p>Accuracy: ±3%</p> <p>Heat Index: 21.1 ~ 54.4℃ (70 ~ 130℉)</p> <p>Dew Point Temperature: -40~105℃ (-40~221℉)</p> <p>Operating Temperature: -30 ~ 80℃ (-22 ~ 176℉)</p> <p>Working Humidity: 10 ~ 90% RH</p> <p>Storage Temperature: 0~40℃ (32~104 )</p> <p>Storage Humidity: 0 to 75% RH</p> <p>Resolution: 0.1°C/°F; 1% relative humidity</p> <p>Product Dimensions: Approx. 55 x 90 x 35 mm / 2.2 x 3.5 x 1.4 in</p> <p>Weight: Approx. 128 g / 4.5 oz</p> <p>Power Supply: 2 x 1.5 V AA batteries (batteries not included)</p> <p>Simple operation, easy to carry, high precision, accurate and durable, with data hold and backlight functions.</p> <p>Data logging function (up to 80,000 data can be stored), which can be connected to a computer to preview and download data.</p> <p>With time display, low battery alarm, dew point temperature measurement, maximum and minimum measurement and other functions.</p> <p>It can be widely used in the measurement and recording of environmental temperature and humidity in enterprises industrial.</p> <p>The shell made of high-quality ABS material is wear-resistant, not easy to damage, and can be used for a long time.</p><p>Good quality product</p>