digital blood pressure monitor, full-auto digital blood pressure monitorFunctionIrregular Heart Beat Detection; mmHg Display; Low Battery Indicator; Jumbo Display; Adapter Jack; Memory: 4x30 memories; Accuracy:±3 mmHg (±0.4 KPa); Test Range:20 mmHg-300 mmHg (2.7 KPa-40 KPa); Pulse Accuracy:±5%; Pulse Test Range: 30-180 Beats/Minute; Display:Liquid Crystal Display (LCD),83 x35mm; Power Source:Four Batteries Size AA or DC6V (600 mA); Battery Life:Approximately Two Months @ 3 Minutes Usage Per Day; Dimensions:7.9x6.4x2.9 CM (L x W x H); Weight:Approximately 110g excluding battery; Use Environment:Temperature:5-40(41-104);Relative Humidity:<80%RH. Storage Environment:Temperature:-10-55(14-131);Relative Humidity: <90%RH PackingPacking:1 monitor,1 bag,1 English instruction and 1 Gift box QTY/CTN:48PCs CTN Dimension:37x39x30.5CM G.W.10.5 KGs N.W.9.5 KGs 20 Feet Container:30,000 PCS 40 Feet Container;60,000 PCS