Rainfall Loggers 1120 Data-Logging Rain Gauge · High accuracy, low-maintenance tipping bucket rain collector · Meets NWS guidelines with an 8 in (20.5 cm) diameter collector · Up to 10,584 rain interval events · Select intervals from 1 to 60 minutes [maximum 10.23 in (26.0 cm) per interval] · Rain collector mounting bracket and hardware included · User-replaceable CR2450 battery lasts 12 months · Record rainfall in either metric (mm) or US (in) units · Accuracy: ±2% at <2 in (5 cm) per hour · Requires SpecWare 9 Basic or Pro (v9.4 or later) Item Number : 3554WD1 Item Name : Data-Logging Rain Gauge 1115 Rain Logger · Connect to your existing rain gauge · Up to 10,584 rain interval events · Select intervals from 1 to 60 minutes [maximum 10.23 in (26 cm) per interval] · LCD display confirms operation · Includes weatherproof enclosure and 12-month, CR2450 battery · Requires SpecWare Basic or Pro software Item Number : 3635WD1 Item Name : WatchDog 1115 Rain Logger