Feature: - Wide measuring range,high accuracy and large permanent data memory. - Data management software included for working with PC easily - Data can be downloaded,analyzed,exported and printed conveniently - Over Temperature Alarm amp; Upper/Lower Limits can be set - MAX/MIN values available Specifications: -Temperature measuring range: -30 C~ 70 C; Resolution: 0.1 C -Accuracy: 0.5 C(-20~ 40); others, 1 -Temperature unit: or optional -Record capacity: 32000 points (MAX) -Record interval: 10s~24hour adjustable -Sensor: Internal NTC thermal resistor -Communication interface: USB interface -Waterproof grade is IP67 -Power supply: CR2032batteryor power supply via USB interface, and it could upload data even if the battery is out of use. -Item Size: approx. 80 (L) x 34 (W) x 14 (H) mm -Item Weight: approx. 30 g It has a large permanent data memory of 32000 points and comes with data management software for easy data download to computers through USB interface. With the software, you could analyze data in form of tables and graphs and export in picture format. The data could be queried, saved, printed and exported in Word/Excel/TXT /PDF format. Software download link: milantrend.com/RC-4 amp;5_Conventional.exe Package: -1 x Data Logger tidak termasuk batrey