<p>Material: ABS</p> <p>Color: As picture shown</p> <p>Temperature measuring range: -30~+60</p> <p>Optional external sensor: -40℃~+85</p> <p>Accuracy: ±1℃ Resolution: 0.1</p> <p>Sensor: Internal NTC thermistor</p> <p>Communication interface: USB interface</p> <p>Power supply: CR2450 battery/USB interface</p> <p>Battery life: At room temperature, if the recording interval is set to 15 minutes, it can be used for more than one year.</p> <p>Size: about 84 * 44 * 20 mm / 3.3 * 1.7 * 0.8 in</p> <p>Weight: about 96 g / 3.4 oz</p> <p>Temperature accuracy high, 16000 points, large-capacity permanent data memory, adjustable recording interval</p> <p>Easily upload data management to the computer via the USB interface, data can be queried, saved, printed and exported in Word/Excel/TXT format</p> <p>Audible alarm, if the temperature data exceeds the set value, an audible alarm will be issued immediately.</p> <p>Two long-lasting power sources, CR2450 battery (not included) and USB interface</p> <p>Temperature records can be widely used in all aspects of warehousing, logistics and cold chain, such as refrigerated containers, refrigerated trucks, refrigerated packaging, cold storage, laboratories, etc.</p><p>Good quality product</p>