Product Description KH300AG intelligent mini color paperless temperature recorder, is high quality and poplar model, 96* ... port • USB port Accuracy :+-(0.2%FS+1)digit Power supply:100-240VAC;24VDC Display:3.5inch,320*240 TFT ... set as 1,2,3...3600second flexibly in the recorder E.G.: when the ordered channel number is ... 6, and the record interval time set in recorder is 60s, it can record 450days (45*60/6 ...