Elitech Wireless GSM GPRS Data Logger for Industrial

Single-use GSM Real Time Data Logger Battery Life: Up to 40 days +/- 3 days of operation based on 60 minute logging interval and temperature conditions Cellular: 850/900/1800/1900 GPRS Memory: 10000points Temperature Range: -23° C to 70° C Temperature Accuracy: ±0.5??????-20??? to 40?????????other???±1??? Illumination: 0 lx to 10000 lx Illumination Accuracy: ±10% Size: 80 mm x 50 mm x 22 mm